ColorSilk beautiful color is the ammonia-free hair color that s 100% gray coverage. Achieve rich, long-lasting hair color and a radiant shine at home. Revlon 3d color gel technology s natural-looking, multi-tonal color from root to tip providing definition and boosting your hair’s dimension. Now enriched with keratin and silk amino acid, ColorSilks ammonia-free formula leaves your hair in better condition than before you ever colored it.