K18: Leave-In Molecular Repair Hair Mask

A leave-in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE™ is clinically proven to repair damage from bleach + color, chemical services and heat* – with immediate and lasting results to restore strength, softness, smoothness and bounce to hair. • TAKES DAMAGE REPAIR FURTHER: Reconnects both polypeptide chains (as a result, reconnects disulfide bonds) for strength along the length + width of hair - offering comprehensive, lasting damage repair. • RESTORES HAIR FROM EXTREME DAMAGE: Working at innermost layer of hair, core strength + elasticity are renewed for strong, smooth, bouncy hair. • DELIVERS IMMEDIATE, LASTING REPAIR: Hair is repaired from first use + lasts past next wash. • SIMPLIFIED REPAIR: Leave-in formula works in 4 minutes, no extra rinse required. • WORKS ON ALL HAIR TYPES: K18PEPTIDE™ works on a molecular level (where all hair is the same), this product is effective for all hair.