An expertly formulated leave-in treatment, the Original K18 Repair Hair Mask is designed to restore and repair damaged hair at the molecular level. This keratin-based product deeply nourishes and rejuvenates both hair and scalp, leaving behind soft and healthy hair. Say goodbye to damaged hair and hello to a strong, revitalized mane with K18. Experience the transformative power of K18. Our scientifically crafted, keratin-based formula repairs and restores damaged hair at the molecular level, delivering deep nourishment to both strands and scalp. With K18, you'll be able to say goodbye to damaged hair and hello to radiant, revitalized locks.

K18 Leave-In Molecular Repair Hair Mask. 4-minute leave-in treatment to clinically reverse hair damage.

An At-home Leave-In Treatment infused with the patented K18Peptide that renews hair to its most youthful, healthy state. Benefits: Works to repair even the most extreme damage caused by bleach and color, chemical services, and heat.

Creates Like Hair Like New: Traveling into the inner-most layers of hair to reach the core polypeptide chains our revolutionary K18Peptide is just the right size and makeup to reconnect broken chains responsible for hair strength and elasticity.

Renews All Hair Types: K18 doesn’t just hide damage or patch it up leaving hair brittle, it transforms even the most extreme damage into hair that looks and feels like new. K18 works on all hair types, all generations, all types of expression.

Lasting Results That Won't Wash Away: The K18Peptide mimics the natural building blocks of hair and therefore is recognized as natural—so it’s able to integrate itself with the keratin chains to rebuild and restore hair immediately and over time.

Back By Biotech: K18 is the world’s first patented biotech treatment that renews chemically damaged hair from the inside out in just 4 minutes, strength, softness, smoothness, and bounce are restored for hair that looks and feels like new.