GINGER BLACK Hair Color Shampoo is a kind of shampoo which can dye your hair into black in 5 mins and specially designed to make your hair black shining just through the ordinary process of washing hair in bathroom. Non-toxic with high technology, it also nourishes, protects and repairs scalp. Compared to the traditional hair dye, it has the advantage of low cost, time-saving convenience. Excellent for professional hair stylists, barbers, barbershops, beauty salons. Easy in operation, Wear gloves and squeeze the shampoo, Rub for a few minutes, just like using normal shampoo Compared to the expensive cost for dyeing hair in the hair salon, the hair black shampoo is more than 10 times cheaper. 5 mins dye your hair Long lasting holding fast Hair dyeing Fashion ! Easy ! Convenient ! Be different yourself ! GINGER BLACK Hair Color Shampoo is a kind of shampoo which can dye your hair into black in 5 mins and specially designed to make your hair black shining just through the ordinary process of washing hair in bathroom. Non-toxic with high technology, it also nourishes, protects and repairs scalp. Compared to the traditional hair dye, it has the advantage of low cost, time-saving convenience.