Lanolin, also called wool fat, wool yolk, wool wax, sheep grease or wool grease, is a wax secreted by the sebaceous glands of wool bearing animals, chiefly domestic sheep bred for wool. Though older pharmacopoeias called it wool fat, it is not technically a true fat since it lacks glycerides, and instead consists mainly of sterol esters. In sheep it provides natural waterproofing that helps shed moisture and supports skin hygiene and protection, and today lanolin and related compounds are used for protective, therapeutic and cosmetic purposes on human skin.
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1. Lanolin (Wikipedia)
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Lanolin (from Latin lāna 'wool' and oleum 'oil'), also called wool fat, wool yolk, wool wax, sheep grease, sheep yolk, or wool grease, is a wax secreted by the sebaceous glands of wool-bearing animals.
Wikidata: Lanolin
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