1. First of all, the wound must be disinfected, stitched and bandaged in time after facial injury. During this period, we should pay attention to frequent disinfection and dressing change.

2, wait until the wound scabs, don't use your hands, you should let the scar fall off naturally. There will be an itchy feeling when the wound heals. At this time, grasping by hand will easily lead to telangiectasia and scar formation.

3, facial wounds, we must be careful not to use iodophor disinfection, disinfection with iodophor will lead to pigmentation.

4, during the wound healing, but also pay attention to sun protection. Because the ultraviolet rays in the sun are particularly easy to make the newly grown skin pigmentation, which will leave obvious scars, especially in summer, when the sun is strong and the ultraviolet rays are also strong, special attention should be paid to protecting the injured parts from being sunburned by the sun.

5. In addition, you can't touch cosmetics, soap and other skin care products on the wound, because most of these daily necessities contain chemical factors such as lead and mercury and other photosensitive substances, which may make the injured skin pigmentation and leave scars.