Chinese manufacturer wholesale price USP/BP/EP ELP grade Lanolin anhydrous with CAS no. 8006 54 0
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- Supplier: Henan Shenwon Industry Co. Ltd.
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Product Overview
Description
High quality Lanoline / Lanolin Anhydrous wool fat
Product Description
Appearance:
Lanolin is a pale yellow,tenacious, unctuous substance obtained from the wool of sheep having afaint but characteristic odor. When melted, it is a clear or almost clear yellow liquid.
Solubility: practically insoluble in water, slightly soluble in boiling anhydrous ethanol.
Solubility: practically insoluble in water, slightly soluble in boiling anhydrous ethanol.
Lanolin is also called wool fat, wool wax or wool grease. As lanolin lacks glycerides (glycerol esters) it is not a true.
fat.Lanolin primarily consists of sterol esters instead. Lanolin is classified chemicallyas a wax, being a complex mixture of
naturally occurring esters and poly-esters of 33 high molecular weight alcohols (principally sterols) and 36 fatty acids. It is
98% ester minimum, of which the fatty alcohols and fatty acids comprise an approximately 50/50 ratio.
naturally occurring esters and poly-esters of 33 high molecular weight alcohols (principally sterols) and 36 fatty acids. It is
98% ester minimum, of which the fatty alcohols and fatty acids comprise an approximately 50/50 ratio.
Unique Performance and Wide Applications
1, Lanolin's role in nature is to protect wool and skin against the ravages of climate and the environment; it also seems to play a role in skin (integumental) hygiene. Lanolin and its many derivatives are used extensively in products designed as high value cosmetics for the protection, treatment and beautification of human skin and health care sectors. Lanolin is also found in lubricants, rust-preventative coatings, shoe polish, and other commercial products.
Modern analytical methods have revealed lanolin possesses a number of important chemical and physical similarities to human stratum corneum lipids;the lipids which help regulate the rate of transepidermal water loss and govern the hydration state of the skin.
1, Lanolin's role in nature is to protect wool and skin against the ravages of climate and the environment; it also seems to play a role in skin (integumental) hygiene. Lanolin and its many derivatives are used extensively in products designed as high value cosmetics for the protection, treatment and beautification of human skin and health care sectors. Lanolin is also found in lubricants, rust-preventative coatings, shoe polish, and other commercial products.
Modern analytical methods have revealed lanolin possesses a number of important chemical and physical similarities to human stratum corneum lipids;the lipids which help regulate the rate of transepidermal water loss and govern the hydration state of the skin.
2, Skin bioengineering studies have shown the durational effect of the emollient (skin smoothing) action produced by lanolin is very significant and lasts for many hours. Lanolin applied to the skin at 2mg/cm2 has been shown to reduce roughness by about 35% after one hour and 50% after two hours, with the overall effect lasting for considerably more than eight hours. Lanolin is also known to form semiocclusive (breathable) films on the skin. When applied daily at around 4 mg/cm2 for five consecutive days, the positive moisturising effects of lanolin were detectable until 72 hours after final application. Lanolin may achieve some of its moisturising effects by forming a secondary moisture reservoir within the skin.
3, Lanolin is an extremely effective emollient in restoring and maintaining the all important hydration (moisture balance) of the stratum corneum, and so prevents drying and chapping of the skin. Equally important, it does not alter the skin's normal transpiration. Lanolin has been shown to cause the water in the skin to build up to its normal level of 10-30%, by retarding without completely inhibiting trans-epidermal moisture loss. Lanolin has the unique property of absorbing twice its own weight of water. Lanolin has the physical properties of increasing adhesion to dry skin, and forming protective films on the skin. Lanolin is compatible with most fats and waxes used in cosmetics and pharmaceutical preparations. Lanolin is self emulsifying, producing very stable w/o emulsions with water and is often used in this hydrous form.
Specification
TYPICAL COMPOSITION OF LANOLIN
Esters of sterols and triterpene alcohols | 35.4% |
Esters of aliphatic alcohols | 23.7% |
Monohydroxy esters of sterols and of triterpeneand aliphatic alcohols | 20.0% |
Di- and polyhydroxyesters and free diols | 7.9% |
Free aliphatic alcohols | 5.6% |
Free Sterols | 4.1% |
Free hydrocarbons | 0.6% |
Free fatty acids | 0.5% |
Unknowns | 2.2% |
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