500ML Black Permanent Hair Color Shampoo, 3 IN 1 Organic Herbal Natural Fast Coloring Shampoo for Men and Women to Cover Grey/White Hair Additional Details ------------------------------ Bullet point: 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.