How long can the black marks left by facial abrasions recover is related to the severity, the patient’s own physical condition, whether the care is reasonable and other factors, can not be generalized, usually it takes about 1 to 6 months, as follows: The black marks left by facial abrasions belong to the pigmentation marks left after trauma, or cleaning and disinfection is not complete, the pigmentation caused by external foreign objects. Usually, if the abrasion is not serious, generally 1~3 months, through the body’s normal repair function can make the black marks gradually fade. In addition, if the abrasion after the care is unreasonable, such as not on time to change the medicine, the affected area in contact with water, eating spicy food, etc. will affect the removal of marks. Generally speaking, after the slight scabbing of the affected area, onion extract preparation or silicone preparation can be used to inhibit the formation of scar, and patients with serious pigmentation can choose laser to get rid of the black marks. If necessary, you can go to the hospital cosmetology department for consultation.