Black scars from scratches on the legs, caused by abnormal melanin deposition, can be improved by topical medication, laser therapy, and daily protection.
1. Topical medication: Hydroquinone ointment with decolorizing effect can be used externally to reduce melanin and improve the appearance, and retinoic acid preparations such as retinoic acid cream and tazarotene can also be used externally with certain exfoliation effect, which can promote the melanocytes to subside.
2. Laser therapy: pulse dye laser can be chosen, and its selective thermal effect can promote the absorption and metabolism of melanin particles and improve the appearance.
3. Daily protection: ultraviolet rays can promote the production of melanocytes, so we should pay attention to daily sunscreen, cover the scar site, and avoid secondary damage to the area.
It is recommended that patients go to the hospital in time, the above drugs and treatments should be used under the guidance of specialists, do not self-medication.