Kerastase Premiere Sérum Filler Fundamental 90ml

Sérum Filler Fondamental is a concentrated repairing serum that penetrates deep into the hair fiber to rebuild damaged hair from within. Formulated for those seeking intensive repair, long-lasting frizz control, and heat protection.

What it is

A leave-in treatment serum from the Kérastase Premiere line, specifically for damaged hair. Highly concentrated formula with targeted ingredients to increase density and reduce breakage.

Who it's for

Suitable for all damaged, fragile, and frizzy hair. Ideal for hair that needs deep repair and protection from the heat of styling tools.

Benefits

• 99% stronger hair
• Blocks frizz for 72 hours
• Protects from heat up to 230°C
• Deeply nourishes the hair fiber
• Protects against environmental humidity
• Leaves hair softer and smoother
• Reduces hair breakage

Ingredients and technology

The concentrated formula contains specific ingredients that penetrate deep into the hair structure to repair from within. The thermo-protective technology creates a barrier that protects up to 230°C during the use of straighteners and blow dryers. The anti-frizz complex counteracts humidity for 72 consecutive hours.

How to use

Dispense a small amount of serum into your hands. Apply evenly to damp or dry hair, focusing on lengths and ends. Do not rinse. Proceed with your desired hairstyle.

Result

Visibly stronger, fuller, and more vital hair. Frizz is eliminated. Hair is smooth, elastic, and easy to manage.

Why buy from Planethair

• Free shipping on your order
• Free samples with every shipment
• Guaranteed original professional products
• Specialized customer support

FAQ

Can I use it every day?
Yes, the leave-in formula is designed for daily use on damp or dry hair.

Should it be applied to wet or dry hair?
Both. On damp hair, it repairs deeply; on dry hair, it controls frizz.

How long does the anti-frizz control last?
Up to 72 hours, even in high humidity.

Does it really protect against the heat of a straightener?
Yes, the thermo-protective formula protects up to 230°C during the use of hot tools.

How much product is needed per application?
A small amount is sufficient. The 90ml size lasts a long time with regular use.

Can I combine it with other Premiere products?
Yes, it integrates perfectly with other Premiere treatments. Use the pre-shampoo treatment, then conditioner or mask, and complete with this serum for optimal results.

Technical details

• Size: 90ml
• Line: Premiere
• Texture: concentrated serum
• Hair type: damaged, fragile, frizzy
• Results: +99% strength
• Anti-frizz control: 72 hours
• Heat protection: up to 230°C
• Application: damp or dry hair
• Leave-in (do not rinse)
• Sales reserved for private individuals, we do not issue commercial invoices.