About this item MAGIC HAIR DYE SHAMPOO – Our hair dye shampoo contains active ingredients, the unique conditioning compound helps protect the hair fibers from the inside out. Only 15-20 minutes are needed, grey hair will turn into their natural black. This Semi-permanent hair color shampoo dyes hair in black color quickly and absorbs effectively to nourish, protect hair from falling and scalp itching.(Warm Note: Take a skin test before first use.) NATURAL HERBAL FORMULA INGREDIENT: Our hair dye shapoo contains a variety of plant extracts, gentle formula, don't damage the hair, can replenish the nutrients needed by the hair. Ammonia free, toxic free and does not contain diamine. LONG-LASTING AND SAFE: This black hair shampoo uses a professional combination of active botanicals, it is sure to give your hair a black color that will last up to 2 to 3 weeks. No need to worry about color washing out, it will keep hair colored until it grows out again. EASY TO USE: Requiring no bowl or brush, just put on plastic gloves (provided inside) , apply the instant hair dye shapoo on your hair, massage for 5- 10 minutes so that the shampoo covers your whole hair and scalp, and rinse well, you'll get the black hair you want, yes, it's that easy and fast, you can do it at home by yourself, saving time and money. EFFECTIVELY COVER GRAY HAIR: Obtain back the fresh-looking hair of your younger days, get back the lost luster, can effectively cover gray hair, so that you are no longer affected by gray hair and rejuvenate. Suitable for all types of hair, including thick, fine and normal-density hair, as well as straight or curly hair textures.