Article updated and reviewed by Michael S. Lehrer, MD, Clinical Assistant Professor, Department of Dermatology, University of Pennsylvania on April 18, 2005.
Acne usually develops when the sebaceous glands and the lining of the hair follicle begin to work overtime, as they do in adolescence. Normally, the lining of the hair follicle sheds cells that are...
Source: ADAM Encyclopedia
Whiteheads are white, raised bumps caused by collections of oil and skin in pores. Whiteheads are also known as closed comedomes and pimples. See:... Read more »