Blackheads (comedones)

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




Review Date:12/18/2006
Reviewed By: Daniel Rauch, MD, FAAP, Director, Pediatric Hospitalist Program, Associate Professor of Pediatrics, NYU School of Medicine, New York, NY. Review provided by VeriMed Healthcare Network.