Yes, sebum contains lipids. Sebum is an oily substance secreted
by the sebaceous glands of the skin.
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Another name for sebum is oil produced by the skin.
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Sebaceous Gland secretes Sebum, an oily substance that coats the
follicle and works its way to the skin's surface to waterproof and
lubricate the skin and hair.
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Sebaceous glands are alveolar glands, most of which open into
hair follicles. Their secretion is sebum.