FIELD: medicine, pharmaceutics.
SUBSTANCE: invention relates to the pharmaceutical industry, in particular to the application of the lanocholesterol fraction of wool grease as a bioemulsifier for cosmetic anti-aging preparations. Application of the lanocholesterol fraction of wool grease as the bioemulsifier for cosmetic anti-aging preparations is obtained by alkaline hydrolysis of wool grease with a mixture of ethanol, sodium hydroxide, pyrogallol and water, or with a mixture of ethanol, sodium hydroxide, pyrogallol, toluene and water, taken in a specified ratio, with further separation and purification under certain conditions.
EFFECT: application of the described above fraction from wool grease contributes to long-lasting moistening and enhancement of the water-retaining ability of skin.
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