4-minute leave-in treatment to clinically reverse hair damage An at-home leave-in treatment infused with our patented K18Peptide™ that works to repair even the most extreme damage, renewing hair to its most youthful, healthy state. REPAIRS DAMAGE CAUSED BY Bleach + Color       Heat  Chemical Services  More to know creates hair like new Traveling deeper into the inner layers of hair than traditional repair products, our revolutionary patented K18Peptide™ is just the right size and makeup to fit in and reconnect broken keratin chains, renewing hair with strength, softness, smoothness, and bounce. You can feel and see the difference with the first use. See dosage chart for exact usage. For best results, use for the first 4-6 consecutive washes, then every 3-4 washes as needed to maintain hair strength. how to use  IN the shower Shampoo, do not condition. OUT of the shower Towel dry thoroughly. Begin with 1 pump of the K18 Mask and add more as needed depending on the length, thickness, and condition. Work evenly into hair from ends to roots, one pump at a time. Let sit for 4 minutes to activate. Do NOT rinse out. Style as usual. Ingredients Water (Aqua) (Eau), Alcohol Denat., Propylene Glycol, Cetearyl Alcohol, Dicaprylyl Ether, Cetyl Esters, Behentrimonium Chloride, Polysorbate 20,sh-Oligopeptide-78 (K18Peptide™), Hydrolyzed Wheat Protein, Hydrolyzed Wheat Starch, Isopropyl Alcohol, Tocopherol, Phenoxyethanol, Potassium Sorbate, Citric Acid, Fragrance (Parfum), Geraniol, Linalool, Hexyl Cinnamal, Benzyl Alcohol.