Acne vulgaris

Acne vulgaris; Cystic acne; Pimples; Zits Acne is a skin condition that causes pimples or “zits.” This includes whiteheads, blackheads, and red, inflammed patches of skin (such as cysts). Causes, incidence, and risk factors Acne occurs when tiny holes on the surface of the skin become clogged. These holes are called pores. Each pore opens to a follicle. A follicle

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