The Electronic Textbook of Dermatology

Chief Editor
Rhett Drugge, M.D.
New York University

Managing Editor
Heather A. Dunn
Internet Dermatology Society


Although available to the public via the Internet, this material is targeted to an audience of trained clinical dermatologists. Treatments and techniques described herein should only be done under the supervision of a physician experienced in their proper application. Failure to adhere to this guideline will substantially increase the risk of serious adverse consequences, including bodily injury or death.