Relationship between acne and the use of cosmetics: Results of a questionnaire study in 539 Korean individuals.

Background: Acne vulgaris is one of the most common dermatological diseases, and it is known that various factors are related to triggering this condition in a patient. In particular, although the use of cosmetics is thought to be associated with the onset of a patient developing acne, there are few studies that have been conducted to date on this disease and its related factors.

Methods: To begin with, a total of 539 patients with acne vulgaris, who visited three dermatologic clinics in Korea, were asked to complete a questionnaire regarding their condition in relation to clinical features and exacerbating factors, including the use of cosmetics.