A technique is described for treating pitted acne scarring which is not amenable to other forms of therapy. Punch grafts from postauricular skin are used to replace punch-excised facial scars.

That is how you get depressed or pitted acne scars. The more extensive the damage, the higher the chance of tissue loss. If the damage is minimal, the darkening of the skin will often reverse.

The skin-resurfacing lasers used for acne scars (and the visible effects ... asks Anonymous Allure Reader Pitted scars (a.k.a. deep indentations, created by breakouts and collagen loss) can ...