Lasers can greatly diminish some scars by instantly vaporizing the outer layers of skin. Silicone gel sheets, mineral oils and vitamin E may improve new scars. For a more severe and deeper scar, surgeons will perform Z-plasty , a technique that repositions the scar to the natural crease lines of the skin. If a large area of skin has been lost, as with burn victims, a surgeon will remove the entire scar and shift a piece of healthy skin, along with the underlying fat, blood vessels and muscles, to the injured site. In cases where a flap is not possible, a regular skin graft is used.
Any excess is frozen for later use, in case the fat filling gets reabsorbed into the body.
But for raised keloid scars, he prefers radiotherapy following scar removal, killing the cells responsible for excessive growth with high doses of radiation.