Lanolin is a natural, waxy substance obtained from the wool of sheep. It is a complex mixture of fatty acids, fatty alcohols, and esters, and it serves as a protective barrier for the sheep's wool, helping to keep it waterproof and lubricated. In cosmetic and pharmaceutical products, lanolin is valued for its emollient properties, making it effective in moisturizers, lip balms, creams, and ointments.
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