Acne scarring is a condition that is the result of injury to tissue and tissue repair. Injury to tissue of acne scars is caused by an inflammatory response to bacteria blocked in follicles of the skin. Due to the bacteria in the follicles, white blood cells and molecules to repair tissue and fight infection move to the follicle site. After the bacteria are cleared away, eroded tissue or fibrous scar tissue may remain at the site of the follicle. This results in acne scarring. Scarring may vary from person to person. It may originate deep under the skin as well as the top of the skin. The two types of scars that result from acne are caused by excess tissue formation or loss of tissue.
Reviewed by: Michael Fuller, MD
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