Our Black Hair Shampoo (Black) contains Polygonum multiflorum extract, ginger extract, and black Ganoderma extract. It can deeply nourish and repair damaged hair, reduce hair loss, promote melanin cell production, repair hair and scalp structure, and eliminate hair mites. Its usage method is very simple: soak your hair thoroughly with warm water, apply an appropriate amount of this product on your scalp and work it into rich foam, massage the roots and scalp for 2-3 minutes, then rinse off the foam with water. It can remove dandruff and relieve scalp itchiness.