... Lanolin also called Adeps Lanae, wool wax, wool fat, anhydrous wool fat or wool grease, is a greasy yellow ... substance secreted by the sebaceous glands of wool-bearing animals. Chemically akin to wax, it ... be performed by squeezing the sheep's harvested wool between rollers. Most or all of the lanolin ... is removed from wool when it is processed into textiles, such as ...