Blackheads, or open comedones, are common in acne. Clogged hair
follicles reflect light irregularly to produce this black hue.
Review Date: 10/30/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of
General Medicine, Department of Medicine, University of Washington
School of Medicine. Also reviewed by Kevin Berman, MD, PhD, Atlanta
Center for Dermatologic Disease, Atlanta, GA. Review provided by
VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA,
Medical Director, A.D.A.M., Inc.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)
