Buy Youthair Hair Styling Products – Youthair Super Youthair Creme Hair Dressing for Men and Women 10.0 oz. How-to-Use: Massage a little into hair and scalp daily until desired color is obtained. Then as often as needed to keep color. Exposure of hair to sunlight will increase the darkening effect. For best results do not use any other hair dressing. Shampoo at least 2-3 times weekly. Wash your hands after each application.