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Overview

Acne is a skin condition that commonly presents in teenagers as lesions called pimples or blackheads. The pimples can be superficial or deep, are often filled with pus, and typically appear on the face, neck, shoulders, upper chest, and back.


Most acne clears up after adolescence, but it may continue, or even begin, in adulthood. Severe, untreated acne may produce scarring.

An increase in hormones called androgens causes sebaceous or oil glands in the skin to enlarge and prod...Read the full article