3 in 1 BlACK HAIR DYE: - Different from other traditional hair dye, black hair dye shampoo can be used not only as black hair dye but also as hair conditioner and hair shampoo. It is very easy and fast to make hair dye black at home and save your precious time from salon visiting and mixing the color with a developer.MAGIC HAIR DYE SHAMPOO: - Black hair shampoo is designed for 100% gray hair coverage and regain black hair instantly, you will no longer be affected by gray hair, make you enjoy younger days. It is suitable for all types of hair.NATURAL HERBAL INGREDIENTS: - Semi permanent black hair dye contains several kinds of natural orangic ingredients, and will strengthen the hair fibers from inside to outside and deeply nourish your scalp, and make your hair glossy,shiny and more black, Ammonia free, and paraben free, easy to use.EASY TO USE AT HOME: - Apply on the DRY hair, wear the gloves offered in the package, apply the instant black hair dye shampoo on your hair, rub it evenly for a few minutes, and keep it on hair for 10-15 minutes, and then wash it. Just two steps only, you can have black shiny hair. (Warm Note): Take a skin test before first using.SAVE TIME AND MONEY: - Cover grey hair naturally for long lasting black hair dye effect,Stop spending hundreds of dollars in salon for hair dye black. Our black shampoo for grey hair can dye your hair black at home, which can last 2-3 weeks.