The Clairol Natural Instincts Hair Color, 1 Kit offers beautiful, natural-looking hues with a lustrous shine. Its formula is completely free of ammonia, and it includes a blend of antioxidants with vitamins C and E for health and beauty. This Clairol hair color can last up to six weeks with no visible roots, and it provides natural-looking coverage for graying. A broad selection of color options makes it easier to find the tone you're looking for. Enjoy rich color and a gentle, hair-healthy formula with this Clairol Natural Instincts Hair Color Kit.