COSMETIC COMPOSITON CONTAINING AZELAIC ACID FOR TREATING ACNE SKIN AND ITS MANUFACTURING METHOD THEREOF

摘要

A cosmetic composition containing azelaic acid is provided to improve acne-treating effects of azelaic acid by stabilizing the azelaic acid in cosmetics with low boiling volatile solvent and minimize skin irritation, so that the composition is useful for treating acnes in the skin. A cosmetic composition for treating acnes in the skin contains (a) a lipid-solubilizing part containing 0.1-5.0 parts by weight of biological lipid and 5.0-50.0 parts by weight of polyvalent alcohol, (b) an azelaic acid-solubilizing part containing 0.1-20.0 parts by weight of azelaic acid and 10.0-70.0 parts by weight of volatile alcohol, and (c) a plant extract aqueous phase part containing 1.0-10.0 parts by weight of purified water, 0.1-2.0 parts by weight of lactic acid and 0.1-10.0 parts by weight of plant extract selected from grapefruit skin extract, Portulaca oleracea L. extract, aloe extract, Glycyrrhiza uralensis extract, Althaea rosea Cav. extract and kava kava extract.