Do linear donor scars stretch (widen) over time?
You are asking about hair transplant scars from the rim of permanent hair that is found around the back and sides of your head. This area (donor area) is generally not prone to stretching if the incisions are made in the horizontal plain (side to side). The scalp has some degree of redundancy so that there is ‘extra’ scalp which you can easily slide up and down on the back of your head. This makes the scalp loose in most people so when some of it is removed, there should be enough excess scalp to close without tension on the wound. When there is minimal tension on the wound, it usually will close without stretching in people with normal healing tissues. If either the scalp is tight, or the body’s tissues are not strong, then these wounds may stretch. The more surgeries you have, the more the potential to develop stretched scalp scars.