Acne vulgaris (or acne) is a common human skin disease, characterized by areas of skin with seborrhea (scaly red skin), comedones (blackheads and whiteheads), papules (pinheads), pustules (pimples), nodules (large papules) and acne is formed by a collection of sebum (oil), bacteria and dead cells trapped in the lining of the hair follicle (skin pore).Acne is not purely a teenage predicament, 20-40% of the adults do encounter problems with acne.
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