Revlon Color silk Radiant, long-lasting color. Leaves hair in better condition. Revlon Color silk 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. Available in a range of 40 brilliant shades. Color silk permanent hair color can be used on natural, color-treated, relaxed or permed hair.