Our Polygonum multiflorum hair wax comb contains sodium bicarbonate, ginger extract and Polygonum multiflorum root extract. It nourishes and protects the hair, improves the health of hair follicles, promotes hair growth, moisturizes the roots, brightens the hair, covers your white hair, and gives you glossy black hair. The way to use it is simple: clean and dry your hair, wait a few minutes for your hair to dry before dyeing, then use the product to comb the hair dye evenly into your hair, and rinse with water to rinse off excess hair dye. It can deeply nourish hair roots, effectively control oil, and make hair look more fluffy and shiny.