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Comedo

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Updated June 17, 2009

Comedones - Acne Breakouts

Comedones

Photo © A.D.A.M.
Definition: A type of acne lesion, a comedo occurs when a plug of oil and dead skin cells becomes trapped within the hair follicle. There are many different types of comedones.
Also Known As: Comedones (plural), blackhead, pore blockage, impaction.

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