K18 Hair

K18 Hair is the revolutionary brand that has forever changed the way damaged hair is repaired. Founded in 2020 after over a decade of scientific research, K18 has developed patented technology capable of repairing damaged keratin chains from the inside out, restoring hair's strength, elasticity, and softness in just 4 minutes.

The Revolutionary Science of K18

What makes K18 unique is the K18PEPTIDE™, a patented biomimetic sequence that penetrates the core of the hair to reconnect broken keratin chains caused by chemical treatments, heat, and mechanical stress. Unlike traditional conditioners that only act on the surface, K18 works at a molecular level for real and lasting repair.

K18 Hair Products: The Complete Range

The K18 collection includes targeted treatments for every need. The Leave-In Molecular Repair Hair Mask is the brand's iconic product, a leave-in mask that repairs damage in 4 minutes without rinsing. The Peptide Prep Detox Shampoo removes product buildup and impurities, preparing the hair for treatment, while the pH Maintenance Shampoo is formulated for frequent washing, maintaining optimal pH. The Molecular Repair Hair Oil completes the routine with a lightweight oil that controls frizz and seals the repair.

Who K18 Products Are For

K18 is ideal for hair damaged by coloring, bleaching, chemical straightening, frequent heat treatments, or mechanical stress. If your hair is brittle, broken, dull, or lacking elasticity, K18 offers a scientifically proven solution. Suitable for all hair types, from straight to curly, fine to thick, K18 repairs without weighing it down.

How K18 Works: Clinically Tested Results

Clinical studies have shown that K18 restores up to 91% of hair's original strength after just one use. The patented peptide penetrates the hair's cortex in less than 4 minutes, reconnecting damaged keratin chains and restoring the molecular structure. The results are immediate and improve with continued use.

Planethair is an authorized K18 Hair retailer in Italy, with over 25 years of experience in the professional sector. We guarantee original K18 products with fast and secure shipping. Our specialized team offers dedicated assistance to help you choose the K18 treatment best suited to your hair type and specific needs.

Frequently Asked Questions about K18

How often should I use the K18 mask?
For very damaged hair, use K18 with every wash for the first 4-6 weeks. Once hair health is restored, you can reduce to 1-2 times a week for maintenance.

Does K18 work on colored hair?
Yes, K18 is safe for colored and chemically treated hair. In fact, it is particularly effective on hair damaged by coloring and bleaching, restoring strength and elasticity without altering the color.

Do I need to rinse out the K18 mask?
No, the Leave-In Molecular Repair Hair Mask is a leave-in treatment that does not need to be rinsed out. Apply it to towel-dried hair, leave it on for 4 minutes, and then proceed with styling. No need to apply other products before styling.

What is the difference between K18 and traditional conditioners?
Traditional conditioners coat the hair's surface, creating a temporary effect. K18, on the other hand, penetrates the cortex and repairs damaged keratin chains at a molecular level, offering real and lasting repair that improves the hair's internal structure.