is a permanent nourish hair colorant with 100% grey hair coveis a permanent nourish hair color with 100% grey hair coverage. Our after colours hair conditioner inriched with avocado oil. olive oil & shea butter. it nourishes hair even after colour. With Garnier Color Naturals. rished hair means better colour. Choosing your perfect shade: Hair colour result will vary depending on your natural colour. If you are deciding between two shades. we recommend to always choose the lightest.