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.
