Sheep secrete a yellow wax from their sebaceous glands called lanolin. Lanolin helps waterproof the wool, as well as protect the sheep’s skin from infection. When sheep are sheared, lanolin is ...

Lanolin is a substance derived from secretions of the sebaceous glands of sheep and functions as a protective coating on wool. This fatlike substance, also called wool grease, may constitute 5 to ...

Then I found lanolin, the product I'd been looking for. It's a naturally occurring lipid that coats and protects sheep's wool, and it separates as a byproduct of wool processing. Australian beauty ...