{"title":"L'Oréal Professionnel Keratin Alpha Sleek","description":"\u003cp\u003eThe \u003cstrong\u003eL'Oréal Professionnel Keratin Alpha Sleek\u003c\/strong\u003e line represents the professional solution for frizzy, unruly, and difficult-to-manage hair. Formulated with advanced keratin technology, this range offers long-lasting anti-frizz control and deep discipline, keeping hair smooth, soft, and shiny even in high humidity conditions.\u003c\/p\u003e\n\n\u003ch2\u003eKeratin Alpha Technology: Science and Performance\u003c\/h2\u003e\n\u003cp\u003eThe heart of the Keratin Alpha line lies in its formula enriched with keratin, the natural protein that forms the hair's structure. When hair is damaged, stressed, or naturally porous, keratin deteriorates, causing frizz and lack of discipline. Keratin Alpha products work to rebuild this structure from within, sealing the cuticles and creating a protective barrier against humidity.\u003c\/p\u003e\n\u003cp\u003eThis technology is not limited to a temporary cosmetic effect: it penetrates deep into the hair fiber for a result that lasts over time, wash after wash. The result is visibly smoother, more manageable hair that is resistant to external agents.\u003c\/p\u003e\n\n\u003ch2\u003eWho is the Keratin Alpha line for?\u003c\/h2\u003e\n\u003cp\u003eKeratin Alpha Sleek has been specifically developed for those with hair prone to frizz, difficult to tame, or that loses its style with humidity. It is particularly effective on:\u003c\/p\u003e\n\u003cp\u003eWavy or curly hair that desires a smoother, more controlled texture, chemically treated hair that needs reconstruction and discipline, fine hair that tends to swell and lose its shape, thick and voluminous hair that requires control without weighing it down.\u003c\/p\u003e\n\u003cp\u003eThe line is also suitable for those looking for a more delicate alternative to aggressive straightening treatments, offering discipline and softness without compromising hair health.\u003c\/p\u003e\n\n\u003ch2\u003eThe Keratin Alpha Sleek product range\u003c\/h2\u003e\n\u003cp\u003eThe complete Keratin Alpha routine consists of products designed to work in synergy, maximizing anti-frizz results:\u003c\/p\u003e\n\n\u003ch3\u003eAnti-Frizz Disciplining Shampoo\u003c\/h3\u003e\n\u003cp\u003eThe first step for smooth and controlled hair. The \u003ca href=\"\/en-en\/products\/10376889794907\" title=\"L'Oréal Keratin Alpha Sleek Shampoo\"\u003eKeratin Alpha shampoo\u003c\/a\u003e gently cleanses while beginning the disciplining process, preparing the hair for subsequent treatments. Its keratin-enriched formula helps seal the cuticles even during washing.\u003c\/p\u003e\n\n\u003ch3\u003eIntensive Anti-Frizz Mask\u003c\/h3\u003e\n\u003cp\u003eFor a deep and restructuring treatment, the \u003ca href=\"\/en-en\/products\/10376925544795\" title=\"L'Oréal Keratin Alpha Maschera 250ml\"\u003eKeratin Alpha mask\u003c\/a\u003e offers intensive nourishment and long-lasting anti-frizz control. Applied after shampooing, it penetrates deeply to rebuild the fiber and ensure extreme softness.\u003c\/p\u003e\n\n\u003ch3\u003eSmooth Transformer Disciplining Treatment\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/en-en\/products\/10376913355099\" title=\"L'Oréal Keratin Alpha Smooth Transformer\"\u003eSmooth Transformer\u003c\/a\u003e is the leave-in treatment that seals the anti-frizz result. Applied to damp hair before drying, it creates a protective barrier against humidity and facilitates styling, reducing drying time.\u003c\/p\u003e\n\n\u003ch3\u003eMirror Sleek Anti-Frizz Serum\u003c\/h3\u003e\n\u003cp\u003eFor the perfect finish, the \u003ca href=\"\/en-en\/products\/10376934785371\" title=\"L'Oréal Mirror Sleek Serum\"\u003eMirror Sleek Serum\u003c\/a\u003e provides extreme shine and final control. A few drops are enough to eliminate residual frizz and give hair a shiny, professional finish.\u003c\/p\u003e\n\n\u003ch2\u003eHow to use the Keratin Alpha line: complete routine\u003c\/h2\u003e\n\u003cp\u003eTo achieve the best anti-frizz results, follow this professional routine:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1. Cleansing:\u003c\/strong\u003e Apply Keratin Alpha shampoo to wet hair, massage gently, and rinse. Repeat if necessary.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Intensive treatment:\u003c\/strong\u003e Once or twice a week, apply the anti-frizz mask to lengths and ends, leave on for 3-5 minutes, and rinse thoroughly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Thermal protection:\u003c\/strong\u003e On towel-dried hair, distribute the Smooth Transformer from roots to ends before drying.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Finishing:\u003c\/strong\u003e On dry hair, apply a few drops of Mirror Sleek Serum to the lengths to seal in the shine.\u003c\/p\u003e\n\n\u003ch2\u003eExpected results and duration\u003c\/h2\u003e\n\u003cp\u003eWith consistent use of the Keratin Alpha line, results become progressively more evident. From the first use, you will notice smoother, more manageable hair, but it is with continued use that keratin deeply rebuilds the hair fiber.\u003c\/p\u003e\n\u003cp\u003eAfter 2-3 weeks of regular use, hair shows lasting discipline, increased resistance to humidity, and a visibly healthier texture. Frizz is significantly reduced, and the style lasts longer, even in difficult climatic conditions.\u003c\/p\u003e\n\n\u003ch2\u003eWhy choose Keratin Alpha on Planethair\u003c\/h2\u003e\n\u003cp\u003ePurchasing the L'Oréal Professionnel Keratin Alpha line on Planethair means choosing original professional products, with over 25 years of experience in distributing quality haircare. Planethair has been online since 2000 as a reference point for hairdressers and enthusiasts looking for high-end salon products.\u003c\/p\u003e\n\u003cp\u003eEvery product is guaranteed original, with fast shipping and specialized assistance to help you choose the routine best suited to your hair type. The \u003ca href=\"\/en-en\/products\/10376966275419\" title=\"Routine Anticrespo Keratin Alpha\"\u003ecomplete Keratin Alpha routine\u003c\/a\u003e is also available in convenient kits to immediately start your journey towards smooth and disciplined hair.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions about Keratin Alpha\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs Keratin Alpha suitable for color-treated hair?\u003c\/strong\u003e\u003cbr\u003e\nYes, the line is formulated to be gentle even on chemically treated hair. In fact, it helps rebuild fiber damaged by coloring treatments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow long does the anti-frizz effect last?\u003c\/strong\u003e\u003cbr\u003e\nWith regular use, the anti-frizz effect is maintained between washes. Keratin progressively accumulates in the fiber, improving results over time.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use Keratin Alpha every day?\u003c\/strong\u003e\u003cbr\u003e\nThe shampoo and Smooth Transformer can be used daily. The mask is recommended 1-2 times a week for an intensive treatment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes the line weigh down fine hair?\u003c\/strong\u003e\u003cbr\u003e\nNo, the formulas are balanced to offer discipline without weighing hair down. Even fine hair benefits from anti-frizz control while maintaining volume and lightness.\u003c\/p\u003e","products":[{"product_id":"loreal-professionnel-keratin-alpha-sleek-shampoo-anticrespo-disciplinante","title":"L'Oréal Professionnel Keratin Alpha Sleek Frizz-Control Disciplining Shampoo","description":"\u003cp\u003eThe \u003cstrong\u003eL'Oréal Professionnel Keratin Alpha Sleek Anti-Frizz Shampoo\u003c\/strong\u003e is a professional sulfate-free cleanser formulated with Keratin-Alpha shaper and amino acids. It is suitable for those seeking long-lasting frizz control and disciplined hair without compromising softness and hydration.\u003c\/p\u003e\n\n\u003ch2\u003eWhat it is\u003c\/h2\u003e\n\u003cp\u003eA professional keratin-based shampoo with an ultra-rich creamy texture. The sulfate-free formula gently cleanses, respecting the hair fiber and strengthening the hair's keratin structure. It is the first step in the \u003ca href=\"\/en-en\/products\/routine-anticrespo-keratin-alpha-sleek-loreal-professionnel\" title=\"Complete Keratin Alpha Sleek Anti-Frizz Routine by L'Oréal Professionnel\"\u003ecomplete Keratin Alpha Sleek routine\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWho is it for\u003c\/h2\u003e\n\u003cp\u003eSuitable for all hair types, particularly effective on frizzy, unruly hair or hair exposed to humidity. Ideal for those who want a professional anti-frizz routine for home use with salon-quality results.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cp\u003eControls frizz and volume for up to 2 weeks when used as part of the complete routine. Strengthens the hair's natural keratin, improves manageability and detangling. Provides immediate shine and protects against environmental humidity. Hydrates without weighing hair down.\u003c\/p\u003e\n\n\u003ch3\u003eIngredients and technology\u003c\/h3\u003e\n\u003cp\u003eThe formula contains \u003cstrong\u003eKeratin-Alpha shaper\u003c\/strong\u003e, a complex that reshapes the keratin structure, and \u003cstrong\u003eamino acid chains\u003c\/strong\u003e that penetrate the fiber to strengthen it from within. The creamy sulfate-free texture respects the natural pH of the scalp.\u003c\/p\u003e\n\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003cp\u003eApply to wet hair, distributing evenly from roots to ends. Massage until a rich lather forms. Rinse thoroughly. For optimal results, follow once a week with the \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-smooth-transformer\" title=\"L'Oréal Keratin Alpha Sleek Smooth Transformer anti-frizz 200ml\"\u003eSmooth Transformer\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eExpected result\u003c\/h2\u003e\n\u003cp\u003eHair that is visibly smoother, softer, and shinier from the first application. The fiber is strengthened, frizz is controlled, and hair is more manageable. The anti-frizz effect lasts up to 2 weeks with the use of the complete routine.\u003c\/p\u003e\n\n\u003ch2\u003eComplete anti-frizz routine\u003c\/h2\u003e\n\u003cp\u003eTo maximize results, combine this shampoo with other L'Oréal Professionnel products from the line. The \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-maschera-anticrespo\" title=\"L'Oréal Keratin Alpha Sleek Anti-Frizz Mask 250ml\"\u003eAlpha Sleek Anti-Frizz Mask\u003c\/a\u003e seals the cuticles after washing. Apply the \u003ca href=\"\/en-en\/products\/loreal-professional-mirror-sleek-serum-anticrespo\" title=\"L'Oréal Mirror Sleek Serum anti-frizz heat protector 50ml\"\u003eMirror Sleek Serum\u003c\/a\u003e to lengths and ends for thermal protection and a shiny, anti-humidity finish.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the anti-frizz effect last?\u003c\/strong\u003e\u003cbr\u003eUp to 2 weeks when using the complete routine (shampoo, treatment, and serum) according to instrumental tests conducted after 4 applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs it suitable for colored hair?\u003c\/strong\u003e\u003cbr\u003eYes, the sulfate-free formula is gentle and respects color treatments, preserving color brilliance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use it every day?\u003c\/strong\u003e\u003cbr\u003eYes, the creamy texture and sulfate-free formula allow for daily use without damaging the fiber.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo I need conditioner afterwards?\u003c\/strong\u003e\u003cbr\u003eNo, for optimal results, it is recommended to follow with the mask from the anti-frizz line, which replaces conditioner with a more intensive action.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical details\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e 300ml, 500ml, 500ml refill\u003cbr\u003e\u003cstrong\u003eTexture:\u003c\/strong\u003e Ultra-rich cream\u003cbr\u003e\u003cstrong\u003eFormula:\u003c\/strong\u003e Sulfate-free\u003cbr\u003e\u003cstrong\u003eActive ingredients:\u003c\/strong\u003e Keratin-Alpha shaper, amino acid chains\u003cbr\u003e\u003cstrong\u003eLine:\u003c\/strong\u003e Keratin Alpha Sleek\u003cbr\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e L'Oréal Professionnel\u003c\/p\u003e\n\n\u003ch3\u003eWhy buy from Planethair.it\u003c\/h3\u003e\n\u003cp\u003eSince 2000, we have been selecting professional products for hairdressers and end customers. The leading Italian e-commerce specializing in salon brands, with over 25 years of experience and dedicated pre and post-sales assistance. Original L'Oréal Professionnel products with official guarantee. Free samples with every order.\u003c\/p\u003e","brand":"L'Oreal Professionnel","offers":[{"title":"300ml","offer_id":52558745600347,"sku":"02080901","price":19.5,"currency_code":"EUR","in_stock":true},{"title":"500ml","offer_id":52558745633115,"sku":"02080608.1","price":26.5,"currency_code":"EUR","in_stock":true},{"title":"500ml Refill","offer_id":52558745665883,"sku":"02080306","price":23.5,"currency_code":"EUR","in_stock":true},{"title":"1500ml","offer_id":53520262103387,"sku":"02080115","price":52.5,"currency_code":"EUR","in_stock":true},{"title":"1000ml Refil","offer_id":53520262136155,"sku":"02080709","price":36.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0026\/4011\/7873\/files\/L_Oreal_Professional_Keratin_Alpha_Sleek_Shampoo_professionale_senza_solfati_anticrespo_e_disciplinante_idrata_i_capelli_dona_morbidezza_e_luminosit_300ml.png?v=1777031781"},{"product_id":"loreal-keratin-alpha-sleek-smooth-transformer","title":"L'Oréal Keratin Alpha Sleek Smooth Transformer Anti-Frizz 200ml","description":"\u003cp\u003eThe \u003cstrong\u003eL'Oréal Professionnel Keratin Alpha Sleek Smooth Transformer 200ml\u003c\/strong\u003e is a smoothing treatment that controls frizz and smooths the hair fiber. Formulated for those seeking a professional anti-frizz solution for all hair types.\u003c\/p\u003e\n\n\u003ch2\u003eWhat is Smooth Transformer\u003c\/h2\u003e\n\u003cp\u003eL'Oréal professional treatment that acts on the hair structure to reduce unwanted volume and control frizz. The formula penetrates the hair fiber, creating a long-lasting protective barrier. It is part of the \u003ca href=\"\/en-en\/products\/routine-anticrespo-keratin-alpha-sleek-loreal-professionnel\" title=\"Complete anti-frizz routine Keratin Alpha Sleek L'Oréal Professionnel\"\u003eKeratin Alpha Sleek\u003c\/a\u003e system, L'Oréal Professionnel's professional anti-frizz protocol.\u003c\/p\u003e\n\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eSuitable for all hair types that suffer from frizz, excessive volume, or are difficult to manage. Particularly effective on wavy, curly, or chemically treated hair that tends to swell with humidity.\u003c\/p\u003e\n\n\u003ch2\u003eBenefits of the treatment\u003c\/h2\u003e\n\u003cp\u003eVisibly reduces frizz from the first application. Smooths the hair surface, making it more manageable during styling. Creates a barrier against humidity that helps maintain the style longer. Hair feels soft to the touch without being weighed down.\u003c\/p\u003e\n\n\u003ch3\u003eMeasurable results\u003c\/h3\u003e\n\u003cp\u003eKeratin technology acts on open cuticles, which are primarily responsible for frizz. The treatment seals the surface, creating uniformity and shine. The smoothing effect lasts for 2-3 weeks with regular use of complementary products.\u003c\/p\u003e\n\n\u003ch2\u003eTechnology and active ingredients\u003c\/h2\u003e\n\u003cp\u003eThe formula contains \u003cstrong\u003ekeratin\u003c\/strong\u003e, a protein naturally present in hair that strengthens the internal structure. The Alpha Sleek system combines smoothing agents that work on the outer surface of the hair. \u003cstrong\u003eIt does not contain formaldehyde\u003c\/strong\u003e or aggressive substances that damage the hair fiber.\u003c\/p\u003e\n\n\u003ch2\u003eHow to apply\u003c\/h2\u003e\n\u003cp\u003eWash hair with \u003ca href=\"\/en-en\/products\/loreal-professionnel-keratin-alpha-sleek-shampoo-anticrespo-disciplinante\" title=\"L'Oréal Keratin Alpha Sleek anti-frizz smoothing shampoo\"\u003eKeratin Alpha Sleek shampoo\u003c\/a\u003e. Towel dry excess water. Apply the product to lengths and ends, avoiding the roots. Distribute evenly with a wide-tooth comb.\u003c\/p\u003e\n\n\u003ch3\u003eProcessing time and rinsing\u003c\/h3\u003e\n\u003cp\u003eLeave on for 15 minutes, then rinse thoroughly. Proceed with blow-drying using a hairdryer and brush to activate the treatment. For optimal results, complete with \u003ca href=\"\/en-en\/products\/loreal-professional-mirror-sleek-serum-anticrespo\" title=\"L'Oréal Mirror Sleek anti-frizz heat protectant serum\"\u003eMirror Sleek serum\u003c\/a\u003e on the ends before drying.\u003c\/p\u003e\n\n\u003ch2\u003eFinal result\u003c\/h2\u003e\n\u003cp\u003eVisibly smoother and more disciplined hair. Hair appears neat even in high humidity conditions. Frizz is controlled without eliminating the hair's natural movement. The texture is silky, and hair glides through the fingers.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the anti-frizz effect last?\u003c\/strong\u003e\u003cbr\u003eOn average 2-3 weeks with the use of complementary products from the line. The effect varies depending on hair type and washing frequency.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan it be used on colored hair?\u003c\/strong\u003e\u003cbr\u003eYes, compatible with colored or treated hair. It does not interfere with artificial pigments and, by smoothing the cuticles, enhances color brilliance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs a flat iron needed after application?\u003c\/strong\u003e\u003cbr\u003eIt is not mandatory but enhances the smoothing effect. If using a flat iron, apply Mirror Sleek serum as a heat protectant beforehand. Blow-drying with a round brush already provides a good result.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow often can the treatment be repeated?\u003c\/strong\u003e\u003cbr\u003eOnce a week. Alternate with the \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-maschera-anticrespo\" title=\"L'Oréal Keratin Alpha Sleek anti-frizz mask 250ml\"\u003eKeratin Alpha Sleek mask\u003c\/a\u003e to maintain hydrolipidic balance.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical details\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e 200ml\u003cbr\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e L'Oréal Professionnel\u003cbr\u003e\u003cstrong\u003eLine:\u003c\/strong\u003e Keratin Alpha Sleek\u003cbr\u003e\u003cstrong\u003eProduct type:\u003c\/strong\u003e Anti-frizz smoothing treatment\u003cbr\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e All hair types\u003cbr\u003e\u003cstrong\u003eMain action:\u003c\/strong\u003e Frizz control and smoothing\u003cbr\u003e\u003cstrong\u003eFormaldehyde-free:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\n\u003ch3\u003eWhy buy on Planethair.it\u003c\/h3\u003e\n\u003cp\u003eSince 2000, we have been selecting professional products for hairdressers and end customers. The first Italian e-commerce specializing in salon brands, with over 25 years of experience and dedicated pre and post-sales assistance. Original L'Oréal Professionnel products with official guarantee. Free samples with every order.\u003c\/p\u003e","brand":"L'Oreal Professionnel","offers":[{"title":"Default Title","offer_id":52558851015003,"sku":"02070309","price":23.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0026\/4011\/7873\/files\/L_Or_al_Professionnel_Keratin_Alpha_Sleek_Smooth_Transformer_trattamento_anticrespo_disciplinante_per_tutti_i_tipi_di_capelli..png?v=1777031780"},{"product_id":"loreal-keratin-alpha-sleek-maschera-anticrespo","title":"L'Oréal Professionnel Keratin Alpha Sleek Anti-Frizz Mask 250ml","description":"\u003cp\u003eThe \u003cstrong\u003eL'Oréal Professionnel Keratin Alpha Sleek Anti-Frizz Mask 250ml\u003c\/strong\u003e is an intensive cream treatment that controls frizz and disciplines hair for 2 weeks. It is suitable for those with unruly, frizzy, or difficult-to-manage hair.\u003c\/p\u003e\n\n\u003ch2\u003eWhat it is\u003c\/h2\u003e\n\u003cp\u003eAn intensive treatment formulated with amino acid chains that penetrate the hair fiber. L'Oréal's professional technology acts on the hair structure to durably control volume and frizz, with visible results from the very first application.\u003c\/p\u003e\n\n\u003ch2\u003eWho it is for\u003c\/h2\u003e\n\u003cp\u003eSuitable for all hair types experiencing frizz, excessive volume, or difficulty in management. It works on natural, chemically treated, or humidity-exposed hair. Particularly effective on frizzy, curly, and rebellious hair that needs lasting discipline.\u003c\/p\u003e\n\n\u003ch2\u003eKey benefits\u003c\/h2\u003e\n\u003cp\u003eDeeply nourishes thanks to amino acids that rebuild the hair fiber. Controls frizz for up to 2 weeks when used with the \u003ca href=\"\/en-en\/products\/loreal-professionnel-keratin-alpha-sleek-shampoo-anticrespo-disciplinante\" title=\"L'Oréal Keratin Alpha Sleek Anti-Frizz Disciplining Shampoo\"\u003eKeratin Alpha Sleek shampoo\u003c\/a\u003e and the \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-smooth-transformer\" title=\"L'Oréal Smooth Transformer Smoothing Treatment\"\u003eSmooth Transformer\u003c\/a\u003e. Provides immediate shine, improves combability, and reduces drying time.\u003c\/p\u003e\n\n\u003ch3\u003eTechnology and active ingredients\u003c\/h3\u003e\n\u003cp\u003eThe formula contains \u003cstrong\u003eamino acid chains\u003c\/strong\u003e that bind to the hair's natural keratin, filling damaged areas of the cuticle and creating a protective barrier against humidity and external aggressors. The professional L'Oréal system guarantees salon-like results at home.\u003c\/p\u003e\n\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003cp\u003eAfter shampooing, remove excess water. Apply the mask from mid-lengths to ends, avoiding the roots. Leave on for 5 minutes. Rinse thoroughly. For optimal results, complete the routine with the \u003ca href=\"\/en-en\/products\/loreal-professional-mirror-sleek-serum-anticrespo\" title=\"L'Oréal Mirror Sleek Anti-Frizz Leave-in Serum\"\u003eMirror Sleek serum\u003c\/a\u003e on towel-dried hair before blow-drying.\u003c\/p\u003e\n\n\u003ch3\u003eExpected result\u003c\/h3\u003e\n\u003cp\u003eVisibly smoother, more disciplined, and shinier hair from the first application. Frizz remains under control even in high humidity conditions. The hair fiber feels nourished, protected, and easier to manage every day.\u003c\/p\u003e\n\n\u003ch2\u003eRecommended pairings\u003c\/h2\u003e\n\u003cp\u003eFor maximum effectiveness, use the mask as part of the \u003ca href=\"\/en-en\/products\/routine-anticrespo-keratin-alpha-sleek-loreal-professionnel\" title=\"L'Oréal Keratin Alpha Sleek complete anti-frizz routine\"\u003ecomplete Keratin Alpha Sleek routine\u003c\/a\u003e: shampoo, Smooth Transformer, mask, and Mirror Sleek serum in sequence guarantee the 2 weeks of anti-frizz control stated in instrumental tests.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the anti-frizz effect last?\u003c\/strong\u003e\u003cbr\u003eUp to 2 weeks with the complete routine (shampoo + mask + serum), according to instrumental tests after 4 applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use it on colored hair?\u003c\/strong\u003e\u003cbr\u003eYes, the formula is safe for chemically treated hair and helps keep the fiber nourished.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow many times a week?\u003c\/strong\u003e\u003cbr\u003eTwo or three times depending on the level of frizz. For very dry hair, even with every wash.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs conditioner needed afterward?\u003c\/strong\u003e\u003cbr\u003eNo, the mask replaces conditioner and offers a more intensive treatment. To maximize results, the Mirror Sleek serum is recommended as a final step.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical details\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 250ml\u003cbr\u003e\u003cstrong\u003eTexture:\u003c\/strong\u003e cream\u003cbr\u003e\u003cstrong\u003eProcessing time:\u003c\/strong\u003e 5 minutes\u003cbr\u003e\u003cstrong\u003eLine:\u003c\/strong\u003e Keratin Alpha Sleek\u003cbr\u003e\u003cstrong\u003eTarget:\u003c\/strong\u003e unisex\u003cbr\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e L'Oréal Professionnel\u003c\/p\u003e\n\n\u003ch3\u003eWhy buy from Planethair.it\u003c\/h3\u003e\n\u003cp\u003eSince 2000, we have been selecting professional products for hairdressers and end-users. The first Italian e-commerce specialized in salon brands, with over 25 years of experience and dedicated pre and post-sales assistance. Original L'Oréal Professionnel products with official warranty. Free samples with every order.\u003c\/p\u003e","brand":"L'Oreal Professionnel","offers":[{"title":"250ml","offer_id":53520206823771,"sku":"02080303.1","price":23.5,"currency_code":"EUR","in_stock":true},{"title":"500ml","offer_id":53520206856539,"sku":"02080606","price":43.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0026\/4011\/7873\/files\/L_Or_al_Professionnel_Keratin_Alpha_Sleek_Maschera_professionale_anticrespo_e_disciplinante.jpg?v=1777031780"},{"product_id":"loreal-professional-mirror-sleek-serum-anticrespo","title":"L'Oréal Professionnel Keratin Alpha Sleek Frizz-Control Serum 50ml","description":"\u003cp\u003eThe \u003cstrong\u003eL'Oréal Professionnel Keratin Alpha Sleek Frizz-Control Serum 50ml\u003c\/strong\u003e is a professional serum with 5% Keratin Sealer, designed for those who want to durably eliminate frizz and protect their hair from heat during daily styling. Ideal for wavy, curly, or unruly hair that tends to swell in humidity.\u003c\/p\u003e\n\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eThis serum is the ideal solution for \u003cstrong\u003efrizzy, unruly hair or hair prone to excessive volume\u003c\/strong\u003e. It works on natural, chemically treated, or frequently colored hair. If you use a hairdryer and straightener every day, the integrated heat protection is a tangible benefit that makes a difference in the long run.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMirror Sleek Serum\u003c\/strong\u003e formula works on multiple levels:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrizz control for up to 72 hours\u003c\/strong\u003e, even in high humidity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeat protection\u003c\/strong\u003e up to 230°C for safe use with straighteners and hairdryers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMirror effect\u003c\/strong\u003e: smooth, shiny, and visibly sleek hair from the very first application\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightness\u003c\/strong\u003e: does not weigh down or make hair greasy, suitable even for fine hair\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with the complete\u003c\/strong\u003e Keratin Alpha Sleek routine for enhanced results\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003cp\u003eApply a small amount of product to \u003cstrong\u003eblow-dried hair\u003c\/strong\u003e or damp hair before heat styling. Distribute from mid-lengths to ends, avoiding the roots. No rinsing is required. For prolonged frizz control, pair it with the \u003ca href=\"\/en-en\/products\/loreal-professionnel-keratin-alpha-sleek-shampoo-anticrespo-disciplinante\" title=\"L'Oréal Professionnel Keratin Alpha Sleek Frizz-Control Disciplining Shampoo\"\u003eKeratin Alpha Sleek shampoo\u003c\/a\u003e and the \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-maschera-anticrespo\" title=\"L'Oréal Professionnel Keratin Alpha Sleek Frizz-Control Mask 250ml\"\u003efrizz-control mask from the line\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eActive ingredients\u003c\/h2\u003e\n\u003cp\u003eThe key active ingredient is \u003cstrong\u003e5% Keratin Sealer\u003c\/strong\u003e, a hydrolyzed keratin that seals the hair cuticle, reducing swelling caused by humidity. The formula also includes film-forming agents that create an invisible protective layer, responsible for the long-lasting smooth and shiny effect.\u003c\/p\u003e\n\n\u003ch2\u003eRecommended pairings\u003c\/h2\u003e\n\u003cp\u003eTo get the most out of this serum, we recommend building a complete routine. Start with the \u003ca href=\"\/en-en\/products\/loreal-professionnel-keratin-alpha-sleek-shampoo-anticrespo-disciplinante\" title=\"L'Oréal Professionnel Keratin Alpha Sleek Frizz-Control Disciplining Shampoo\"\u003edisciplining shampoo\u003c\/a\u003e, continue with the \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-maschera-anticrespo\" title=\"Keratin Alpha Sleek Frizz-Control Restructuring Mask 250ml\"\u003erestructuring mask\u003c\/a\u003e, and complete with the \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-smooth-transformer\" title=\"L'Oréal Keratin Alpha Sleek Frizz-Control Smooth Transformer 200ml\"\u003eSmooth Transformer\u003c\/a\u003e for a definitive style. You can also find the \u003ca href=\"\/en-en\/products\/routine-anticrespo-keratin-alpha-sleek-loreal-professionnel\" title=\"L'Oréal Professionnel Keratin Alpha Sleek Complete Frizz-Control Routine\"\u003ecomplete frizz-control routine\u003c\/a\u003e already prepared.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Planethair\u003c\/h2\u003e\n\u003cp\u003ePlanethair has been online since 2000 and was one of the first Italian e-commerce sites specializing in professional hair products. All products are original, purchased directly from official distributors. Our team consists of haircare industry experts, available to advise you on the most suitable routine for your needs.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eIs this serum used on wet or dry hair?\u003c\/h3\u003e\n\u003cp\u003eIt can be used on both: on damp hair before blow-drying for heat protection, or on already dry hair for an immediate smooth and frizz-free finish.\u003c\/p\u003e\n\n\u003ch3\u003eIs it suitable for fine hair?\u003c\/h3\u003e\n\u003cp\u003eYes, the formula is lightweight and does not weigh hair down. Just use a small amount (1-2 pumps) to avoid a greasy effect.\u003c\/p\u003e\n\n\u003ch3\u003eHow long does the frizz-control effect last?\u003c\/h3\u003e\n\u003cp\u003eThe formula guarantees frizz control for up to 72 hours, even in humid environments. Results improve with continuous use of the complete line.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use it every day?\u003c\/h3\u003e\n\u003cp\u003eYes, it is formulated for daily use. It contains no aggressive ingredients and does not alter the hair's structure over time.\u003c\/p\u003e","brand":"L'Oreal Professionnel","offers":[{"title":"Default Title","offer_id":52558995325275,"sku":"02080304.2","price":22.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0026\/4011\/7873\/files\/Mirror_Sleek_Serum_siero_professionale_protezione_dall_umidit_e_dal_calore_controllo_del_crespo_e_del_volume_a_lunga_durata_50_ml.png?v=1777031780"},{"product_id":"kit-anticrespo-keratin-alpha-sleek-loreal-professionnel-4-prodotti","title":"Anti-Frizz Keratin Alpha Sleek Kit L'Oréal Professionnel 4 Products","description":"\u003cp\u003eThe \u003cstrong\u003eL'Oréal Professionnel Keratin Alpha Sleek Anti-Frizz Routine\u003c\/strong\u003e is a complete system that reprograms the hair fiber at the alpha-keratin level. Designed for those with frizzy and unruly hair that requires lasting control and reduced styling time.\u003c\/p\u003e\n\n\u003ch2\u003eWhat the routine contains\u003c\/h2\u003e\n\u003cp\u003eThe kit includes four professional products that work in synergy: the \u003ca href=\"\/en-en\/products\/loreal-professionnel-keratin-alpha-sleek-shampoo-anticrespo-disciplinante\" title=\"L'Oréal Professionnel Keratin Alpha Sleek Anti-frizz Shampoo\"\u003eSulfate-free Shampoo 300ml\u003c\/a\u003e, the \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-smooth-transformer\" title=\"L'Oréal Keratin Alpha Sleek Smooth Transformer anti-frizz treatment\"\u003eSmooth Transformer 200ml\u003c\/a\u003e, the \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-maschera-anticrespo\" title=\"L'Oréal Keratin Alpha Sleek Anti-frizz Mask 250ml\"\u003eMask 250ml\u003c\/a\u003e, and the \u003ca href=\"\/en-en\/products\/loreal-professional-mirror-sleek-serum-anticrespo\" title=\"L'Oréal Mirror Sleek Anti-frizz Serum 50ml\"\u003eMirror Sleek Serum 50ml\u003c\/a\u003e. Each product guarantees visible results for up to 2 weeks.\u003c\/p\u003e\n\n\u003ch2\u003eWho is it for?\u003c\/h2\u003e\n\u003cp\u003eThis routine is suitable for frizzy, unruly, and difficult-to-manage hair. It works on all hair types that need discipline, frizz control, and reduction of unwanted volume. Particularly effective for those who want to reduce blow-drying time.\u003c\/p\u003e\n\n\u003ch2\u003eMain benefits\u003c\/h2\u003e\n\u003cp\u003eThe system guarantees frizz control for up to 2 consecutive weeks. It reduces styling time, allowing you to achieve smooth and disciplined hair in less time. Hair is soft, shiny, and protected from humidity.\u003c\/p\u003e\n\n\u003ch3\u003eMeasurable results\u003c\/h3\u003e\n\u003cp\u003eThe patented technology acts on the alpha-keratin structure, temporarily modifying the shape of the hair fiber. This process ensures a lasting smooth effect without permanently altering the hair structure.\u003c\/p\u003e\n\n\u003ch2\u003eKeratin Alpha Technology\u003c\/h2\u003e\n\u003cp\u003eThe patented Keratin Alpha innovation reprograms the hair fiber at a molecular level. Alpha-keratin represents the fundamental protein structure of hair. By acting at this level, the treatment temporarily modifies the configuration of proteins to achieve a prolonged disciplining effect.\u003c\/p\u003e\n\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFirst step:\u003c\/strong\u003e apply sulfate-free shampoo to wet hair, massage gently, and rinse. The formula cleanses without damaging the fiber.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSecond step:\u003c\/strong\u003e distribute the Smooth Transformer treatment on lengths and ends, leave on for 15 minutes, and rinse. Recommended once a week.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThird step:\u003c\/strong\u003e apply the mask after shampoo for an intensive treatment. Leave on for 5-10 minutes before rinsing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFourth step:\u003c\/strong\u003e on towel-dried hair, distribute a few drops of Mirror Sleek serum on lengths and ends. Do not rinse. Proceed with drying.\u003c\/p\u003e\n\n\u003ch2\u003eFinal result\u003c\/h2\u003e\n\u003cp\u003eHair appears visibly smoother, more disciplined, and shinier. Frizz is controlled even in high humidity conditions. The style lasts longer and takes less time to achieve. Hair maintains natural softness and movement.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the anti-frizz effect last?\u003c\/strong\u003e\u003cbr\u003eFrizz control is guaranteed for up to 2 weeks with regular use of the complete routine.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use the products separately?\u003c\/strong\u003e\u003cbr\u003eYes, each product can be used individually. However, maximum effectiveness is achieved by using the complete routine in sequence.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs it suitable for colored hair?\u003c\/strong\u003e\u003cbr\u003eYes, the sulfate-free shampoo formula is gentle and respects color. The system protects treated hair fiber.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow much product is needed per application?\u003c\/strong\u003e\u003cbr\u003eThe amount varies depending on hair length. For medium hair, 2-3 pumps of shampoo, a small amount of treatment and mask, and 2-3 drops of serum are sufficient.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical details\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eContent:\u003c\/strong\u003e Keratin Alpha Sleek Shampoo 300ml, Keratin Alpha Sleek Smooth Transformer 200ml, Keratin Alpha Sleek Mask 250ml, Mirror Sleek Serum 50ml\u003cbr\u003e\u003cstrong\u003eLine:\u003c\/strong\u003e L'Oréal Professionnel Keratin Alpha Sleek\u003cbr\u003e\u003cstrong\u003eHair type:\u003c\/strong\u003e frizzy, unruly, undisciplined\u003cbr\u003e\u003cstrong\u003eShampoo formulation:\u003c\/strong\u003e sulfate-free\u003cbr\u003e\u003cstrong\u003eTechnology:\u003c\/strong\u003e Patented Keratin Alpha\u003cbr\u003e\u003cstrong\u003eEffect duration:\u003c\/strong\u003e up to 2 weeks\u003c\/p\u003e\n\n\u003ch3\u003eWhy buy from Planethair.it\u003c\/h3\u003e\n\u003cp\u003eSince 2000, we have been selecting professional products for hairdressers and end customers. The first Italian e-commerce specialized in salon brands, with over 25 years of experience and dedicated pre and post-sales assistance. Original L'Oréal Professionnel products with official guarantee. Free samples with every order.\u003c\/p\u003e","brand":"L'Oreal Professionnel","offers":[{"title":"Default Title","offer_id":52559227388251,"sku":null,"price":91.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0026\/4011\/7873\/files\/L_Or_al_Professionnel_Routine_anticrespo_disciplinante_Keratin_Alpha_Sleek.png?v=1777031781"},{"product_id":"routine-anticrespo-keratin-alpha-sleek-loreal-professionnel-set","title":"L'Oréal Professionnel Keratin Alpha Sleek Anti-Frizz Routine","description":"\u003cp\u003eThe \u003cstrong\u003eL'Oréal Professionnel Keratin Alpha Sleek Anti-Frizz Routine\u003c\/strong\u003e is the complete professional kit for those who want to definitively say goodbye to frizz. The set includes the \u003cstrong\u003e300ml Shampoo\u003c\/strong\u003e, the \u003cstrong\u003e250ml Mask\u003c\/strong\u003e, and the \u003cstrong\u003e50ml Anti-Frizz Serum\u003c\/strong\u003e, three products formulated to work in synergy and ensure smooth, disciplined, and shiny hair from the very first application.\u003c\/p\u003e\n\n\u003ch2\u003eWhat the routine includes\u003c\/h2\u003e\n\u003cp\u003eEach product in the line has been developed with \u003cstrong\u003e5% Keratin Sealer technology\u003c\/strong\u003e, which seals the hair cuticle and blocks the moisture responsible for frizz:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/en-en\/products\/loreal-professionnel-keratin-alpha-sleek-shampoo-anticrespo-disciplinante\" title=\"Keratin Alpha Sleek L'Oréal Professionnel Anti-Frizz Disciplining Shampoo 300ml\"\u003eAnti-Frizz Disciplining Shampoo 300ml\u003c\/a\u003e\u003c\/strong\u003e — gently cleanses and prepares hair for the treatment phase, reducing puffiness from the very first wash\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-maschera-anticrespo\" title=\"Keratin Alpha Sleek L'Oréal Professionnel Anti-Frizz Mask 250ml\"\u003eAnti-Frizz Mask 250ml\u003c\/a\u003e\u003c\/strong\u003e — intensive treatment that reconstructs the hair fiber and extends the smoothing effect over time\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/en-en\/products\/loreal-professional-mirror-sleek-serum-anticrespo\" title=\"Mirror Sleek Serum L'Oréal Professionnel Anti-Frizz Serum 50ml\"\u003eAnti-Frizz Serum 50ml\u003c\/a\u003e\u003c\/strong\u003e — professional finish with thermal protection up to 230°C and frizz control for up to 72 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho it is for\u003c\/h2\u003e\n\u003cp\u003eThis routine is designed for \u003cstrong\u003efrizzy, wavy, curly, or unruly hair\u003c\/strong\u003e that tends to swell with humidity. It is suitable for natural, colored, or chemically treated hair. If you regularly use a hairdryer and straightener, the serum included in the kit offers concrete thermal protection with every styling.\u003c\/p\u003e\n\n\u003ch2\u003eExpected results\u003c\/h2\u003e\n\u003cp\u003eWith continuous use of the complete routine, you can expect:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVisibly smoother and shinier hair after the first use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrizz control for up to 72 hours\u003c\/strong\u003e, even in high humidity conditions\u003c\/li\u003e\n  \u003cli\u003eSofter, nourished, and heat-resistant hair fiber\u003c\/li\u003e\n  \u003cli\u003eFaster styling and results that last longer over time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003cp\u003eApply the \u003cstrong\u003eshampoo\u003c\/strong\u003e to wet hair, massage, and rinse. Distribute the \u003cstrong\u003emask\u003c\/strong\u003e through the lengths and ends, leave on for 3-5 minutes, and rinse thoroughly. After blow-drying your hair, apply the \u003cstrong\u003eserum\u003c\/strong\u003e from mid-lengths to ends without rinsing. For a definitive style, you can complete the routine with the \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-smooth-transformer\" title=\"L'Oréal Keratin Alpha Sleek Anti-Frizz Smooth Transformer 200ml\"\u003eSmooth Transformer\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhy choose the complete kit\u003c\/h2\u003e\n\u003cp\u003ePurchasing the complete routine means always having the three fundamental steps of the professional anti-frizz protocol available, with savings compared to buying individual products separately. It is also the ideal solution as a gift for those who want to start a professional home hair care regimen.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Planethair\u003c\/h2\u003e\n\u003cp\u003ePlanethair has been online since 2000 and was one of the first Italian e-commerce sites specializing in professional hair products. All products are original, purchased directly from official distributors. Our team consists of haircare experts, available to advise you on the most suitable routine for your needs.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eAre the products in the kit professional or travel size?\u003c\/h3\u003e\n\u003cp\u003eThey are standard sizes for daily use: 300ml shampoo, 250ml mask, and 50ml serum. Quantities designed for extended home use.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use this routine even if I have colored hair?\u003c\/h3\u003e\n\u003cp\u003eYes, the Keratin Alpha Sleek line is compatible with colored and treated hair. The formula does not alter color and does not contain aggressive ingredients.\u003c\/p\u003e\n\n\u003ch3\u003eHow often should I use the mask?\u003c\/h3\u003e\n\u003cp\u003eIt is recommended 1-2 times a week instead of conditioner, or every wash for very frizzy or damaged hair.\u003c\/p\u003e\n\n\u003ch3\u003eDo I use the serum before or after blow-drying?\u003c\/h3\u003e\n\u003cp\u003eIt can be used in both ways: on damp hair before blow-drying for thermal protection, or on dry hair for an immediate smooth finish.\u003c\/p\u003e","brand":"L'Oreal Professionnel","offers":[{"title":"Default Title","offer_id":52669449109851,"sku":null,"price":67.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0026\/4011\/7873\/files\/A_HG065383.webp?v=1777031908"},{"product_id":"routine-anticrespo-keratin-alpha-sleek-loreal-professionnel-set-shampoo-balsamo-serum","title":"L'Oréal Keratin Alpha Sleek Anti-Frizz Shampoo Mask Serum Set","description":"\u003cp\u003eThe \u003cstrong\u003eL'Oréal Professionnel Keratin Alpha Sleek Anti-Frizz Set\u003c\/strong\u003e is the complete professional ritual to tame frizz and discipline unruly hair. Three products formulated to work in synergy — shampoo, treatment, and serum — with keratin technology that smooths the hair fiber, reduces volume, and protects against humidity for a long-lasting sleek effect.\u003c\/p\u003e\n\n\u003ch2\u003eWhat the set contains\u003c\/h2\u003e\n\n\u003cp\u003eThe kit includes three products from L'Oréal Professionnel's Keratin Alpha Sleek line, designed for a complete anti-frizz ritual from cleansing to finishing:\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKeratin Alpha Sleek Shampoo 300ml\u003c\/strong\u003e — Gently cleanses hair, preparing the hair fiber for the subsequent treatment. The keratin formula reduces frizz from the first wash, leaving hair soft and manageable.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKeratin Alpha Sleek Smooth Transformer 200ml\u003c\/strong\u003e — The disciplinary treatment at the heart of the ritual. Applied to the lengths, it smooths the hair fiber, reduces volume, and controls frizz in a lasting way. Compatible with flat iron use to enhance its sleek effect.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMirror Sleek Serum 50ml\u003c\/strong\u003e — The finishing serum that seals the result. Applied to dry or damp lengths, it provides intense shine, visibly eliminates split ends, and protects hair from humidity and heat.\u003c\/p\u003e\n\n\u003ch2\u003eTechnology and active ingredients\u003c\/h2\u003e\n\n\u003cp\u003eThe entire Keratin Alpha Sleek line is based on \u003cstrong\u003ePro-Keratin + Silk\u003c\/strong\u003e technology, which combines:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional Keratin\u003c\/strong\u003e — rebuilds the hair fiber from within, reducing frizz and improving manageability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHydrolyzed Silk\u003c\/strong\u003e — smoothes the hair cuticle, providing shine and softness to the touch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-humidity filters\u003c\/strong\u003e — protect hair from environmental humidity, maintaining the sleek effect for longer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\n\u003cp\u003eThis set is designed for those with naturally frizzy, wavy, unruly hair, or hair prone to humidity. It is suitable for all hair types — fine, medium, and thick — and compatible with colored or chemically treated hair. If you're looking for a complete ritual without having to purchase products individually, this package is the most practical choice. For those who want to further expand their routine, the \u003ca href=\"\/en-en\/products\/kit-anticrespo-keratin-alpha-sleek-loreal-professionnel-4-prodotti\" title=\"L'Oréal Professionnel Keratin Alpha Sleek 4-Product Anti-Frizz Kit\"\u003e4-Product Anti-Frizz Kit\u003c\/a\u003e is also available.\u003c\/p\u003e\n\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\n\u003cp\u003eApply the \u003cstrong\u003eShampoo\u003c\/strong\u003e to wet hair, massage, and rinse. Distribute the \u003cstrong\u003eSmooth Transformer\u003c\/strong\u003e through the lengths, blow-drying or using a flat iron to best activate its disciplinary benefits. On dry hair, apply a few drops of \u003cstrong\u003eMirror Sleek Serum\u003c\/strong\u003e to the lengths to seal the result and add shine.\u003c\/p\u003e\n\n\u003ch2\u003eIndividual products from the line\u003c\/h2\u003e\n\n\u003cp\u003ePrefer to buy products separately or only replenish what's run out? On Planethair, you'll find the \u003ca href=\"\/en-en\/products\/loreal-professionnel-keratin-alpha-sleek-shampoo-anticrespo-disciplinante\" title=\"L'Oréal Professionnel Keratin Alpha Sleek Anti-Frizz Shampoo\"\u003eKeratin Alpha Sleek Shampoo\u003c\/a\u003e, the \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-maschera-anticrespo\" title=\"L'Oréal Professionnel Keratin Alpha Sleek Anti-Frizz Mask 250ml\"\u003eAnti-Frizz Mask\u003c\/a\u003e, and the \u003ca href=\"\/en-en\/products\/loreal-professional-mirror-sleek-serum-anticrespo\" title=\"L'Oréal Professionnel Mirror Sleek Anti-Frizz Serum 50ml\"\u003eMirror Sleek Serum\u003c\/a\u003e available for individual purchase.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy it from Planethair\u003c\/h2\u003e\n\n\u003cp\u003ePlanethair has been online since 2000 and was one of the first Italian e-commerce sites specializing in professional hair products. All L'Oréal Professionnel products are original and come from authorized distribution channels. Our team is available to advise you on the most suitable product for your hair type.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the set suitable for colored hair?\u003c\/strong\u003e\u003cbr\u003e\nYes, the formula is gentle and compatible with colored, bleached, or chemically treated hair.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo I need to use a flat iron to achieve results?\u003c\/strong\u003e\u003cbr\u003e\nNo, the Smooth Transformer also works with just a hairdryer. A flat iron enhances the sleek effect but is not essential.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow long does the set last?\u003c\/strong\u003e\u003cbr\u003e\nWith regular use 2-3 times a week, the 300ml shampoo and 200ml treatment last approximately 2 months. The 50ml serum is designed for daily finishing and lasts approximately 1-2 months.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use the serum every day?\u003c\/strong\u003e\u003cbr\u003e\nYes, the Mirror Sleek Serum is a lightweight finish suitable for daily use on dry or damp hair.\u003c\/p\u003e","brand":"L'Oreal Professionnel","offers":[{"title":"Default Title","offer_id":52669461659995,"sku":null,"price":67.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0026\/4011\/7873\/files\/A_HG065375_1.webp?v=1777031906"},{"product_id":"keratin-alpha-sleek-loreal-professionnel-shampoo-500ml-refil-500ml","title":"L'Oréal Keratin Alpha Sleek Shampoo 500ml + Refill 500ml Kit","description":"\u003cp\u003eThe \u003cstrong\u003eL'Oréal Professionnel Keratin Alpha Sleek Shampoo Value Kit\u003c\/strong\u003e is the most economical solution for those who daily use the professional anti-frizz shampoo from the Serie Expert line. The kit includes a \u003cstrong\u003e500ml\u003c\/strong\u003e bottle and a \u003cstrong\u003e500ml Refill\u003c\/strong\u003e — for a total of 1 liter of sulfate-free keratin shampoo, at a significant saving compared to buying separately.\u003c\/p\u003e\n\n\u003ch2\u003eWhy choose the 500ml + Refill size\u003c\/h2\u003e\n\n\u003cp\u003eThe value size is designed for those who have already tried Keratin Alpha Sleek shampoo and want to ensure a long-lasting supply without sacrificing professional quality. The Refill also reduces environmental impact due to less plastic use compared to two separate bottles.\u003c\/p\u003e\n\n\u003ch2\u003eShampoo characteristics\u003c\/h2\u003e\n\n\u003cp\u003eL'Oréal Professionnel's \u003cstrong\u003eKeratin Alpha Sleek Shampoo\u003c\/strong\u003e is a professional \u003cstrong\u003esulfate-free\u003c\/strong\u003e cleanser, formulated with \u003cstrong\u003eKeratin-Alpha Shaper\u003c\/strong\u003e technology and amino acid chains. The rich, ultra-creamy texture gently cleanses the hair fiber without being aggressive, strengthening the hair's natural keratin.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSoftens and moisturizes hair from the first application\u003c\/li\u003e\n  \u003cli\u003eProvides immediate and controlled shine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrizz and volume control for up to 2 weeks\u003c\/strong\u003e with the complete routine*\u003c\/li\u003e\n  \u003cli\u003eSuitable for all hair types — fine, medium, and thick\u003c\/li\u003e\n  \u003cli\u003eCompatible with colored or chemically treated hair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003csmall\u003e*Instrumental test after 4 applications of Keratin Alpha Sleek Shampoo + Smooth Transformer + Serum.\u003c\/small\u003e\u003c\/p\u003e\n\n\u003ch2\u003eActive ingredients\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eKeratin-Alpha Shaper\u003c\/strong\u003e — patented complex that restructures the hair fiber, reduces frizz, and progressively improves manageability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAmino acid chains\u003c\/strong\u003e — nourish and strengthen the hair from within, restoring the keratin structure and reducing the porosity responsible for swelling.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSulfate-free formula\u003c\/strong\u003e — gently cleanses without stripping the hair of natural lipids, ideal for frequent use even on sensitive or colored hair.\u003c\/p\u003e\n\n\u003ch2\u003eWho is it for\u003c\/h2\u003e\n\n\u003cp\u003eThis kit is designed for those who regularly use Keratin Alpha Sleek shampoo and want to always have a supply on hand. It is suitable for frizzy, wavy, unruly hair, or hair prone to humidity, across all textures. For a complete anti-frizz ritual, combine it with the \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-maschera-anticrespo\" title=\"L'Oréal Professionnel Keratin Alpha Sleek Anti-Frizz Mask 250ml\"\u003eKeratin Alpha Sleek Mask\u003c\/a\u003e and the \u003ca href=\"\/en-en\/products\/loreal-professional-mirror-sleek-serum-anticrespo\" title=\"L'Oréal Professionnel Mirror Sleek Anti-Frizz Serum 50ml\"\u003eMirror Sleek Serum\u003c\/a\u003e, or choose the \u003ca href=\"\/en-en\/products\/kit-anticrespo-keratin-alpha-sleek-loreal-professionnel-4-prodotti\" title=\"Keratin Alpha Sleek Anti-Frizz Kit L'Oréal Professionnel 4 products\"\u003e4-product Anti-Frizz Kit\u003c\/a\u003e for the complete routine.\u003c\/p\u003e\n\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\n\u003cp\u003eApply the shampoo to wet hair, gently massage the scalp, and distribute the product through the lengths. Rinse thoroughly. For optimal anti-frizz results, use regularly with the \u003ca href=\"\/en-en\/products\/loreal-professionnel-keratin-alpha-sleek-shampoo-anticrespo-disciplinante\" title=\"L'Oréal Professionnel Keratin Alpha Sleek Anti-Frizz Smoothing Shampoo 300ml\"\u003eSmooth Transformer\u003c\/a\u003e and Mirror Sleek Serum from the same line.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Planethair\u003c\/h2\u003e\n\n\u003cp\u003ePlanethair has been online since 2000 and was one of the first Italian e-commerce sites specializing in professional hair products. All L'Oréal Professionnel products are original and come from authorized distribution channels. The value kit is available exclusively online and represents the most convenient way to stock up on your favorite professional shampoo.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the Refill used directly or poured into the bottle?\u003c\/strong\u003e\u003cbr\u003e\nThe Refill is designed to replenish the original 500ml bottle once it's empty, reducing plastic waste. You can also use it directly if you prefer.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs it suitable for colored hair?\u003c\/strong\u003e\u003cbr\u003e\nYes, the sulfate-free formula is gentle and compatible with colored, bleached, or chemically treated hair.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use it every day?\u003c\/strong\u003e\u003cbr\u003e\nYes, the formula is suitable for frequent use thanks to the absence of aggressive sulfates.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow long does the kit last?\u003c\/strong\u003e\u003cbr\u003e\nWith regular use 3-4 times a week, 1 liter of shampoo lasts an average of 3-4 months.\u003c\/p\u003e","brand":"L'Oreal Professionnel","offers":[{"title":"Default Title","offer_id":52669524607323,"sku":null,"price":49.83,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0026\/4011\/7873\/files\/A_HG065384_1.webp?v=1777031908"},{"product_id":"keratin-alpha-sleek-loreal-professionnel-kit-convenienza-shampoo-300ml-refil-500ml-copia","title":"L'Oréal Keratin Alpha Sleek Shampoo 300ml + Refill 500ml Kit","description":"\u003cp\u003eThe \u003cstrong\u003eL'Oréal Professionnel Keratin Alpha Sleek Shampoo 300ml + Refill 500ml\u003c\/strong\u003e is the convenience kit designed for those who want to start with the standard 300ml size and already have the 500ml Refill ready, so they never run out. A total of 800ml of professional sulfate-free anti-frizz shampoo, with savings compared to purchasing the two sizes separately.\u003c\/p\u003e\n\n\u003ch2\u003eThe difference compared to the 500ml + Refill kit\u003c\/h2\u003e\n\n\u003cp\u003eThis kit is ideal for those who are trying Keratin Alpha Sleek shampoo for the first time and prefer to start with the \u003cstrong\u003e300ml size\u003c\/strong\u003e — more manageable and practical in the shower — immediately paired with the \u003cstrong\u003e500ml Refill\u003c\/strong\u003e to have a ready supply. Those who already use the product and prefer the large bottle can opt for the \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-shampoo-500ml-refill-500ml-kit\" title=\"L'Oréal Keratin Alpha Sleek Shampoo 500ml + Refill 500ml convenience kit\"\u003ekit with 500ml bottle + Refill\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eShampoo features\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eKeratin Alpha Sleek Shampoo\u003c\/strong\u003e by L'Oréal Professionnel is a professional \u003cstrong\u003esulfate-free\u003c\/strong\u003e cleanser, formulated with \u003cstrong\u003eKeratin-Alpha Shaper\u003c\/strong\u003e technology and amino acid chains. Its rich and ultra-creamy texture gently cleanses the hair fiber without stripping it, strengthening the hair's natural keratin.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSoftens and moisturizes hair from the first application\u003c\/li\u003e\n  \u003cli\u003eProvides immediate and controlled shine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrizz and volume control for up to 2 weeks\u003c\/strong\u003e with the complete routine*\u003c\/li\u003e\n  \u003cli\u003eSuitable for all hair types — fine, medium, and thick\u003c\/li\u003e\n  \u003cli\u003eCompatible with color-treated or chemically treated hair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003csmall\u003e*Instrumental test after 4 applications of Keratin Alpha Sleek Shampoo + Smooth Transformer + Serum.\u003c\/small\u003e\u003c\/p\u003e\n\n\u003ch2\u003eActive ingredients\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eKeratin-Alpha Shaper\u003c\/strong\u003e — patented complex that restructures the hair fiber, reduces frizz, and progressively improves manageability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAmino acid chains\u003c\/strong\u003e — nourish and strengthen the hair from within, restoring the keratin structure and reducing porosity responsible for swelling.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSulfate-free formula\u003c\/strong\u003e — gently cleanses without stripping hair of its natural lipids, ideal for frequent use even on sensitive or color-treated hair.\u003c\/p\u003e\n\n\u003ch2\u003eWho is it for?\u003c\/h2\u003e\n\n\u003cp\u003eThis kit is suitable for frizzy, wavy, unruly hair, or hair prone to humidity, on all textures. To complete the anti-frizz ritual, pair it with the \u003ca href=\"\/en-en\/products\/loreal-keratin-alpha-sleek-maschera-anticrespo\" title=\"L'Oréal Professionnel Keratin Alpha Sleek Anti-Frizz Mask 250ml\"\u003eKeratin Alpha Sleek Mask\u003c\/a\u003e and the \u003ca href=\"\/en-en\/products\/loreal-professional-mirror-sleek-serum-anticrespo\" title=\"L'Oréal Professionnel Mirror Sleek Anti-Frizz Serum 50ml\"\u003eMirror Sleek Serum\u003c\/a\u003e, or directly choose the \u003ca href=\"\/en-en\/products\/kit-anticrespo-keratin-alpha-sleek-loreal-professionnel-4-prodotti\" title=\"L'Oréal Professionnel Keratin Alpha Sleek Anti-Frizz Kit 4 products\"\u003e4-product Anti-Frizz Kit\u003c\/a\u003e with the complete routine.\u003c\/p\u003e\n\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\n\u003cp\u003eApply shampoo to wet hair, gently massage the scalp, and distribute the product through the lengths. Rinse thoroughly. For optimal anti-frizz results, use regularly with the Smooth Transformer and Mirror Sleek Serum from the same line.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy it from Planethair\u003c\/h2\u003e\n\n\u003cp\u003ePlanethair has been online since 2000 and was one of the first Italian e-commerce sites specializing in professional hair products. All L'Oréal Professionnel products are original and come from authorized distribution channels. The convenience kit is available exclusively online.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eShould the 500ml Refill be used directly or poured into the 300ml bottle?\u003c\/strong\u003e\u003cbr\u003e\nThe Refill is designed to replenish the original bottle once it's empty. You can also use it directly if you prefer.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between this kit and the one with the 500ml bottle?\u003c\/strong\u003e\u003cbr\u003e\nThe 300ml size is more compact and practical for daily shower use. The 500ml kit is ideal for those who are already regular users and prefer the large bottle from the start.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs it suitable for color-treated hair?\u003c\/strong\u003e\u003cbr\u003e\nYes, the sulfate-free formula is gentle and compatible with color-treated, bleached, or chemically treated hair.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow long does the kit last?\u003c\/strong\u003e\u003cbr\u003e\nWith regular use 3-4 times a week, 800ml of shampoo lasts approximately 3 months on average.\u003c\/p\u003e","brand":"L'Oreal Professionnel","offers":[{"title":"Default Title","offer_id":52669582410075,"sku":null,"price":40.87,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0026\/4011\/7873\/files\/A_HG065386_1.webp?v=1777031909"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0026\/4011\/7873\/collections\/r1_c1_1369d4b6-8474-442e-835a-cf645f7ed40a.jpg?v=1774543007","url":"https:\/\/www.planethair.it\/en-en\/collections\/loreal-professionnel-keratin-alpha-sleek.oembed","provider":"Planethair","version":"1.0","type":"link"}