Acne is a skin condition that occurs when your hair follicles become plugged with oil and dead skin cells. Acne usually appears on your face, neck, chest, back and shoulders. Effective treatments are available, but acne can be persistent. The pimples and bumps heal slowly, and when one begins to go away, others seem to crop up.
Often, bacteria called Propionibacterium acnes (P. acnes), can be present too, which can contribute to the redness, swelling and pus that can accompany lesions. The visible result is acne, which is the term used to describe blackheads, whiteheads, pimples, and cysts. Acne usually appears on the face and neck but it can include shoulders, back, and arms.
Acne is most common among teenagers, with a reported prevalence of 70 to 87 percent. Increasingly, younger children are getting acne as well.
Depending on its severity, acne can cause emotional distress and scar the skin. The earlier you start treatment, the lower your risk of lasting physical and emotional damage.
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