Product Description Ranked No. 1 in the @cosme Reviews, this product features a unique rich color formula that dyes gray hair in just one application. With double keratin included, it intensely repairs damaged hair. This treatment is easy to apply to both wet and dry hair. Simply leave it on for 5 minutes for convenient use. How to Use (Thorough Application in One Go) 1. Dispense an appropriate amount into your hands and apply thoroughly to dry hair. 2. Leave it on for about 5 to 10 minutes. 3. Rinse thoroughly afterward. 4. Towel dry and blow dry your hair completely. How to Use (Easy Application in the Shower) 1. After shampooing, remove excess water from your hair. Dispense an appropriate amount into your hands and apply to your entire hair. 2. Leave it on for about 5 to 10 minutes. 3. Rinse thoroughly afterward. 4. Towel dry and blow dry your hair completely. Ingredients Ingredients: Water, Cetearyl Alcohol, Cetyl Alcohol, Iso Nonanoate, Stearamidopropyl Dimethylamine, HC Blue 12, Dimethicone, Phenoxyethanol, Lactic Acid, Behentrimonium Chloride