Patent ID: 8287846

Claim:
An odor-improved dermatological or cosmetic preparation for topical use, which preparation is an oil-in-water emulsion comprising N-acetylcysteine (NAC), a physiologically acceptable carrier, and a polyol system for controlling odor; wherein the polyol system comprises: (1) at least one component selected from the group consisting of glyceryl fatty acid esters and polyglyceryl fatty acid esters in the oil phase of the emulsion, wherein the polyglyceryl fatty acid esters comprise polyglycerols having a degree of polymerization ranging from 3 to 10 partially esterified with fatty acids selected from saturated and partially unsaturated fatty acids having a carbon number from 8 to 20 selected from the group consisting of octanoic (caprylic) acid, nonanoic (pelargonic) acid, decanoic (capric) acid, dodecanoic (lauric) acid, tetradecanoic (myristic) acid, hexadecanoic (palmitic) acid, octadecanoic (stearic) acid, isooctadecanoic (isostearic) acid, cis-9-octadecanoic (oleic) acid, cis-9,12-octadecanoic (linoleic) acid, eicosanoic (arachidic) acid, docosanoic acid (behenic) and cis-13-docosenoic acid (erucic acids);and (2) at least one component selected from the group consisting of glycerol, sugar polyalcohols, and saccharides in the aqueous phase of the emulsion.