Trichoscopy: an update.

Hair and scalp disorders represent a substantial complaint in most dermatologists' daily practice. Trichoscopy is a simple and easy-to-perform technique that has been utilized for diagnosis and management of these patients. The interest for this technique had increased in the last years, and knowledge had expanded. This article reviews the most important dermoscopic patterns in normal Caucasian and African scalp, as well as in the most common trichological conditions.