Preservative, useful for preserving e.g. dermatological, cosmetic and pharmaceutical products, comprising 1-hydroxy-4-methyl-6-alkyl-2(1H)-pyridone and alcohols containing one or more aromatic groups

摘要

Clear, liquid preservative (I) comprising one or more 1-hydroxy-4-methyl-6-A1-2(1H)-pyridone and/or (a) its one or more salts; and (b) one or more alcohols containing one or more aromatic groups, is new. A1 = linear, branched or cyclic 1-12C alkyl (preferably 2,4,4-trimethylpentyl or cyclohexyl); : An independent claim is also included for cosmetic, dermatological or pharmaceutical composition (A) (obtained by using (I)) comprising (a), (b) and one or more further antimicrobial active substances.