Ammonia-free permanent hair color. Leaves your hair in better condition than before you colored it. Colorsilk is formulated to nourish hair from the inside out and is ammonia-free for maximum gentleness. The after-color conditioner is infused with silk proteins and pro-vitamins, leaving your hair silkier, shinier, and healthier. Dark Brown: Enhances brunettes with rich chocolate tones. Salt and pepper: A highlighted effect, with gray hair appearing lighter than non-gray. More than 50% gray: Slightly lighter brown than shown in the color guide on the package. Natural red: Warm dark brown. Kit includes an ammonia-free colorant, cream color developer, after-color conditioner, application instructions, and gloves.