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Acne arises when oil and dead skin cells obstruct hair follicles, leading to inflammation and various types of blemishes, such as whiteheads, blackheads, pimples, cysts, and nodules. While several factors can trigger acne, the primary cause is considered to be increased androgen levels. These levels enlarge oil glands and boost sebum production, fostering bacterial growth. Managing acne involves various approaches, including over-the-counter treatments for mild cases and prescription medications like antibiotics or retinoids for more severe or persistent acne. (责任编辑：) |