Whiteheads are white, raised bumps caused by collections of oil and skin in pores. Whiteheads are also known as closed
Review Date: 10/28/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.