Permanent Powder Hair Color is ideal for those looking for beautiful, long-lasting results with 100% gray coverage or to enhance natural hair color. The unique powder formula is activated by water and deposits rich, natural-looking color into even the most stubborn gray hair. With no ammonia and no hydrogen peroxide required, this deposit-only color is the gentle choice for rich color and optimum shine regardless of your natural hair color, consistency, condition, length, or style!