K18 No-Rinse Hair Mask is a revolutionary treatment that repairs hair damage in just 4 minutes. Formulated with the patented K18 peptide, it penetrates deep into the hair fiber to restore disulfide bridges and restore hair health, strength and elasticity. This leave-in mask is designed to treat hair damaged by chemical services, heat or environmental aggressions, while leaving hair soft, shiny and revitalized. Deeply repairs Improves resistance Visible results in 4 minutes Rinse-free HOW TO USE Wash hair with K18 Peptide Prep shampoo or a mild shampoo. Do not apply conditioner. Gently towel-dry hair to remove excess water. Apply a small amount of mask to lengths and ends. Leave on for 4 minutes to allow the active ingredients to penetrate and repair. Do not rinse. Style as desired. For severely damaged hair: Use after every wash for 6 consecutive washes. For maintenance: Apply every 3 to 4 washes to maintain results. INGREDIENTS Water, denatured alcohol, propylene glycol, cetearyl alcohol, dicaprylyl ether, cetyl esters, behentrimonium chloride, polysorbate 20, sh-oligopeptide-78, hydrolyzed wheat protein, hydrolyzed wheat starch, isopropyl alcohol, tocopherol, phenoxyethanol, potassium sorbate, citric acid, parfum, geraniol, linalol, hexyl cinnamal, benzyl alcohol.