Acne Vulgaris
What is acne vulgaris? Acne vulgaris is a multifactorial disorder of the pilosebaceous unit that can result in lesions ranging from open and closed comedones to inflammatory papules, pustules, nodules, and cysts. Lesions are usually on the face, neck, upper trunk and back—areas with a high number of sebaceous glands. Acne is prevalent among adolescents, [...]