NICI name: Lanolin

Synonyms: Wool fat, Adeps Lanae

CAS NO.: 8006-54-0

Lanolin is a secreted oil attached to wool. It is a light yellow or brown ointment, sticky and greasy, with a weak and specific odor. Easily soluble in chloroform or ether, soluble in hot ethanol, very slightly soluble in ethanol.

Lanolin is a secreted oil attached to wool. Its main components are esters generated from sterols, fatty alcohols and triterpene alcohols with approximately the same amount of fatty acids, accounting for approximately 95%, and also contains 4% free alcohols. , and have a small amount of free fatty acids and hydrocarbons. White or light yellow to dark brown paste-like translucent body, smelly anhydrous substance, relative density 0.946.

Functions: Lanolin can make skin smooth and soft. Its skin-beautifying effect was first discovered because someone found that the hands of Australian sheep farmers were generally more delicate than ordinary people. Later research found that it was due to the effect of lanolin. Industrially used to prepare high-grade anti-rust oil, low-temperature lubricants, printing inks, fiber oils, leather fatliquors, plastic plasticizers, latex defoaming agents, etc. In medicine, it is used to prepare rheumatism ointment, zinc oxide adhesive plaster and ointment base. Cosmetic-grade lanolin can be used in cold creams, anti-wrinkle creams, anti-cracking creams, shampoos, conditioners, hair creams, lipsticks and high-end soaps, etc. It is often used as a water-in-oil emulsifier and is an excellent moisturizing substance. It can soften and restore dry or rough skin due to lack of natural moisture. It maintains the skin's normal moisture content by delaying, rather than completely preventing, moisture from penetrating the epidermis.