This operation is suitable for scars caused by avulsion injuries, electric shock injuries or deep burns. The blood supply is poor, the scars are thick and hard, and the scars are relatively deep during hair transplantation. Superficial periosteum

Because the nutrients required for growth come from the blood supply of the superficial periosteum, it takes a relatively long time for hair to grow after scar hair transplantation. At first, the hair strands are thin and curled, and during transplantation The density should be relatively thin to avoid insufficient blood supply and affect survival.