Acne is inflammation of the sebaceous glands in the skin. When the pores of the skin become clogged, the oil the sebaceous gland secretes becomes trapped. The plug causes the follicle to bulge (causing whiteheads), and the top of the plug may darken (causing blackheads).
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.