ColorSilk beautiful color? is the ammonia-free hair color that delivers 100% gray coverage. Achieve rich long-lasting hair color and a radiant shine at home. Revlon 3d color gel technology? delivers 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.