Product Description This color treatment applies easily to dry hair, providing a rich color in just one application. It helps address gray hair with minimal stress on your hair. How to Use Use on dry hair. Recommended amount... about 3 ping pong ball-sized portions for shoulder-length hair. (1) Thoroughly apply an appropriate amount to your entire hair. Apply generously to areas where gray hair is noticeable. Please use on clean hair without any styling products. (2) Leave it on for about 5 to 10 minutes. The longer you leave it, the more effective it will be. (3) Rinse thoroughly while wearing gloves. After wiping with a towel that won't be damaged, dry your hair well with a dryer. You may use shampoo, conditioner, etc., as desired. Wetting the bathroom or bathtub walls and floors before use will make it easier to clean up any stains. For maintaining hair color, use once or twice a week. Depending on hair type and the amount of gray hair, color and staining effects may vary, and you may not notice effects after just a few uses. Color will gradually fade with each shampoo. If using on wet hair, towel dry it before application. Safety Warnings <Caution Regarding Color Transfer and Fading>