The melanin left by the scar is called hyperpigmentation, which can usually be lightened by medication, physical therapy and diet. When the area of hyperpigmentation is small, vitamin E cream, hydroquinone cream, vitamin A acid ointment and other drugs can be used to affect the metabolism of melanin, in order to lighten the purpose of melanin. Some patients can also take vitamin C, vitamin E or tranexamic acid to inhibit melanin synthesis. If the effect of topical medication is not good or the localized area is large, you can also seek medical treatment such as laser therapy, intense pulse light therapy and other physical therapy. In daily life, can also be achieved through the dietary aspects of the purpose of assisting in fading the melanin left by the scar, but the role of the relatively limited attention should be paid. Generally can be appropriate to increase the intake of kiwi, lemon, tomatoes, oranges, carrots and other fresh fruits and vegetables, food in the vitamin C has antioxidant, to improve the skin condition and so on. It is recommended that scars leave melanin people follow the doctor’s instructions to use medication, not to use drugs or prescriptions on their own. Pay attention to avoid foreign object friction stimulation of the skin, go out and do a good job of sun protection measures.