Beijing Tongrentang Black Ganoderma Shampoo is a shampoo product with the effect of turning white hair into black. Its main components include black ganoderma lucidum and Polygonum multiflorum Thunb. , as well as ginger root, ginseng root and other Chinese herbal medicines. These ingredients are considered to supplement the nutrition needed by the scalp, activate the vitality of hair follicles, thus promoting the production of melanin and achieving the effect of turning white hair into black.