Bigen Men's Rapid Hair Dye is a hair dye designed to color hair quickly and easily without the use of ammonia making it gentle and safe on the scalp. It features an innovative formula that gives hair a natural and uniform color in just a few minutes. This dye is specially designed for men who want to cover gray hair or enhance their appearance with a natural long-lasting color without affecting the health of the hair. Benefits and features: It is ammonia free making it gentle on the scalp and non-irritating. Gives fast results in just 5-10 minutes. Complete coverage of white hair with a natural and homogeneous color. Easy to use at home without any assistance. Long lasting with fade resistance. It contains nourishing ingredients that keep hair soft and shiny. Available in several shades to suit different natural hair colors.