Our black soap contains sodium palmitate and glycerin. It strengthens hair roots and follicles, makes hair healthier, helps restore and prevent hair pigmentation, and promotes the natural recovery of hair color. Its application is simple: First wet your hair or beard with warm water and rub the soap in your palms to create a lather. Then massage the foam into your hair or beard, and rinse the foam with water to make your hair look dark and shiny.