Revlon Colorsilk gives you natural-looking, even color from root to tip that stays beautiful between colorings. It is formulated to penetrate every strand with its gentle, ammonia-free formula and after-color conditioner with nourishing silk proteins. Hair looks silkier, shinier and healthier than before you colored. 100 gray coverage. Leaves hair in better condition. Colorsilk permanent haircolor can be used on natural, color-treated, relaxed or permed hair.