The K18 Leave-in Molecular Repair Hair Mask is designed for hair that’s been damaged by bleaching, coloring, heat styling or chemical services. Its molecular repair technology helps reconnect keratin chains inside the hair fiber, resulting in stronger, smoother and healthier-looking hair over time. Hair feels softer, more flexible and easier to manage, without heavy buildup. Leave-in molecular repair treatment for damaged hair Ideal for bleached, color-treated or chemically processed hair Helps strengthen the fiber from within Improves softness, elasticity and manageability Lightweight formula used alone after shampoo, no conditioner needed HOW TO USE Shampoo hair, then rinse thoroughly. Do not apply conditioner. Towel-dry hair well. Apply a small amount of K18 mask (adjust to hair length and thickness) evenly through mid-lengths and ends. Do not rinse. Let it sit for 4 minutes without touching, then style as usual. Use at every wash initially, then space out as hair condition improves. INGREDIENTS Aqua (Water), Alcohol Denat., 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, Fragrance (Parfum), Geraniol, Linalool, Hexyl Cinnamal, Benzyl Alcohol