K18 is a leave-in treatment mask for all hair types that clinically reverses damage in 4 minutes. The patented peptide technology works to repair damage from bleach, color, chemical services & heat – restoring strength, softness, smoothness, and bounce to hair. Our K18Peptide™ is clinically proven to reverse damage in just 4 minutes. Heals damage from bleach, color, chemical services, and heat Restores strength, softness, smoothness, and bounce Doesn’t wash away with shampoo, leaving lasting results Vegan, color-safe, cruelty-free up to 91% original strength* up to 94% original elasticity* * Results observed in a clinical study while using mist and mask as part of a bleaching treatment. Results may vary depending on hair type, quality and history. DO use a clarifying shampoo if you’re a heavy product or dry shampoo user to remove buildup and help our peptide penetrate and get where it needs to go.