Blackheads (comedones) close-up

Blackheads (comedones) close-up

Blackheads, or open comedones, are common in acne. Clogged hair follicles reflect light irregularly to produce this black hue.


Review Date: 04/27/2006
Reviewed By: Michael Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.


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