Garnier is committed to offering customers with high-quality at-home hair dye. Garnier Nutrisse Crème permanent nourishing black hair dye allows you to dye your hair at home and achieve rich natural-looking and long-lasting black hair color with up to 100% grey hair coverage. Nutrisse permanent hair coloring works best on hydrated hair.after-color hair conditioner contains avocado oil, olive oil, cranberry oil, and shea oil, and it nourishes hair even after coloring it, leaving it silky, up to 3x shinier**, and protected against dryness for up to 8 weeks.