The first is to eat less things containing pigments. Eat less waxy food. . Then there is the cell epidermis of the wound. Other useful products for repair are aloe vera gel cell repair stock solution and cell regeneration essence, all of which have good effects and moderate prices. Finally, don't expose it after scarring. . If it itches, gently pat aloe vera gel on the wound. . I wish you a speedy recovery and hope your answer is satisfactory. .