PLEASE NOTE: The product comes with a Christmas card so you can give the product as a gift to your friends or family at Christmas. 1. Hair dye shampoo with plant ingredients: hair dye shampoo with herbal ingredients can effectively cover grey hair, black hair dye ensures that grey hair no longer bothers you, you will get your youthful brunette hair back, the effect lasts 3-4 weeks, and can also be used daily as a shampoo or conditioner. 2. 3 in 1 Shampoo for colouring hair with plant ingredients: the hair dye shampoo is made from natural plant ingredients. You no longer have to worry about the shampoo with the hair colour black damaging hair and skin. 3. Easy to use: no bowl or brush required. Simply wear gloves and use it like normal shampoo. Just wait 10 to 15 minutes. It will not stain your skin. 4. Precautions: Before use, it can be tested on the skin. There may be slight colour differences simply because the hair is different thickness.