Acne is a skin disorder due to blockage of the sebaceous glands. Skin contains thousands of sebaceous glands that produce sebum (oil) that serves moisturize and protect the skin. Sebum produced by the sebaceous glands distributed through the hair follicles (pores) to the skin surface. Acne occurs when sebum that normally come out to the surface of the skin was clogged. Facial skin has a high density of sebaceous glands, especially in the area of the nose, forehead and cheeks. Sebaceous glands
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