... ,skin care products,shampoo,hair shampoo,black hair,color hair,cream and cosmetic. Black Hair Shampoo Production License:1.Black Shampoo ... and lustrous with persistent effect.The hair shampoo has unique formula, and can shampoo and black hair with hot oil effect ... , massage for 7-10 minutes till foam becomes dry, then rinse off with clear water;4) Use it once a month,since ...