What it is: SalermVision Permanent Coloring Cream offers high-tech hair color pigments that produce maximum color effectiveness inside your hair's cortex | Tons of colors to choose from, including jet black to bold reds, soft blondes, and everything in between | Get salon-quality color in the comfort of your home | What it does: Salermvison combines exceptional color results with total respect for the integrity of the scalp and skin | It provides perfect gray coverage, natural shine and has low-levels of ammonia. Included are natural vegetable oils that offer condition and protect your hair during the coloring process. Leaves hair shiny with less skin irritation | .What else you need to know: Average processing time - 30 minutes. For stubborn gray hair, processing time should be 40 minutes