Acne vulgaris is the medical name for common acne -- the presence of blackheads, whiteheads, and other types of pimples on the skin. A comedo, or basic acne lesion, is a hair follicle that has become clogged with oil and dead skin cells. Comedones (the plural of comedo) can develop.
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Acne can be particularly frustrating for adults. A treatment that worked so well during our teen years can be useless — or make acne worse. If this happens, you .
Acne affects around 80 percent of adolescents and young adults. About 40–50 million Americans have acne at any given time. The following.