Rebuild Damaged Hair from the Inside Out

Experience the next generation of hair repair with K18 Biomimetic Hairscience Leave-In Molecular Repair Hair Mask — the only molecular-level treatment clinically proven to restore hair strength, softness, and elasticity in just 4 minutes.
Formulated with the patented K18 Peptide™, this biomimetic hair mask travels deep inside the hair fiber to reconnect broken keratin chains, permanently reversing damage caused by bleaching, coloring, heat styling, and chemical services.

What Makes K18 Different

Unlike traditional masks that coat the surface, K18 Peptide™ technology works at the core of each strand to rebuild the inner structure and renew hair’s natural resilience.
The result is hair that looks and feels smooth, strong, bouncy, and shiny after just one use.

Key Benefits

• Repairs damage from bleach, color, and heat styling

• Restores strength, elasticity, and natural texture

• Lightweight leave-in formula, no rinse required

• Protects color and prevents future breakage

• Vegan, cruelty-free, silicone-free, and color-safe

How to Use

1. Shampoo and skip conditioner.

2. Towel-dry hair thoroughly.

3. Apply 1–3 pumps from ends to roots.

4. Leave in for 4 minutes — do not rinse.

5. Style as usual and enjoy visibly repaired, soft, and healthy hair.

Why Professionals Love K18

Developed through biomimetic science, K18 Hair Mask mimics the natural keratin structure in human hair, allowing the K18 Peptide™ to integrate seamlessly and restore hair at the molecular level. Trusted by professional stylists and salons worldwide, this leave-in treatment delivers long-lasting repair and shine that traditional conditioners simply can’t match.

Product Details

• Brand: K18 Biomimetic Hairscience

• Product Type: Leave-In Molecular Repair Hair Mask

• Ideal For: Damaged, bleached, color-treated, and chemically processed hair

• Available Sizes: 15 ml | 50 ml | 150 ml

• Country of Origin: USA

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