When skin is damaged and heals, a scar may form in its place, which blocks the hair follicles beneath it. Depending on the location and size of the original wound, these scars can become more noticeable as the surrounding hair grows, especially if the scar is raised or discolored.
Concealing head scars with scalp micropigmentation is an undetectable method of blending the affected area into the rest of your hair, regardless of what caused the scarring.