Just For Men Touch of Gray Permanent Hair Dye is specifically designed for men looking to cover gray hair with a natural-looking black shade. The product is ammonia-free and peroxide-free, making it gentle and safe for the hair. With a volume of 1.4 oz/40 g, this hair dye is easy to apply and provides long-lasting color. The product line, Touch of Gray, offers a subtle yet effective solution for men looking to maintain their hair color without the harsh chemicals.