100% Gray Hair CoverageBlack hair dye shampoo covers gray hair,obtain back fresh-looking hair of your younger days,and solve your grey hair problem easily.Ammonia free,and paraben free, with no harsh chemicals,formulated with coconut oil extract,safe for your hair care. 3 in 1 Black Hair ShampooNo more hair dye kit,just apply hair dye shampoo on dry hair evenly,massage gently for 5 minutes and leave it on for 10-15 minutes.Not only can work as hair dye, but also can work as hair shampoo and hair conditioner.Save your time and money from salon visit. Natural Black Hair DyeFormulated wih natural ingredients extracted from coconut and walnut,nurish your hair when hair dye.Coconut oil with active ingredients help to restore damaged hair;Walnut leaf extract to make your hair silky and shiny; Cytisus scoparius extract will soothe your scalp; Long lasting Hair Color ShampooHair color shampoo will last for around 10-15 applications,and the natural black hair color will stay up to 3-4 weeks until gray hair shows. Easy to ApplyA hassle-free hair color application is everyone's dream No more bowl or brush,this hair dye shampoo for women and men. 100% vegan shampoo dye for grey hair does not emit any nasty fumes or smell, stain your skin, or create unsightly mess in bathroom.