Dermatology is the science that investigates the structure, function and diseases of the skin and parts related to the skin, such as hair, nails and sweat glands. It has sub branches such as venereology (sexually transmitted diseases), photodermatology, dermatopathology, dermatological surgery, pediatric dermatology, cosmetic dermatology.

Dermocosmetic applications also play an important role in the treatment of skin related problems in dermatological diseases.