– The skin is protected from the elements and the environment by a thin layer of protective oil, known as sebum which is produced by the sebaceous glands. Acne breakouts and blemishes occur when the skin produces too much sebum. The excess oil combines with loose skin cells, forming plugs which block the pores. The blocked pores form whiteheads, blackheads and pimples, which can become infected by bacteria, causing them to become red and irritated.
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