Scars and black marks are usually pigmentation caused by skin damage, which may not be completely removed, and can be lightened by daily care, medication, physical therapy and other methods. 1. Daily care: If there are scars and black marks on the skin, you should take good care of them in your daily life, pay attention to sun protection, avoid being exposed to ultraviolet rays, and go out and apply sunscreen or physical sun protection. 2. medication: medication can follow the doctor’s instructions in the affected area coated with retinoic acid cream, hydroquinone cream, etc., can also promote the repair of scars and the fading of the black marks. 3. Physical therapy: Scars, black marks can also be removed by physical therapy methods, such as laser therapy, intense pulse light, etc.. It is recommended that patients need to go to the hospital, follow the doctor’s instructions for treatment, the application of drugs need to strictly follow the doctor’s instructions.