Whiteheads are white, raised bumps caused by collections of oil and skin in pores. Whiteheads are also known as closed comedomes and pimples. See: Acne
Michael Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.