A composition containing a glycerol alkyl ether of the general formula R-O-CH2-CHOH-CH2OH in which R is a C3-C18 alkyl group, the alkyl group branched or unbranched, unsubstituted or substituted by one or more hydroxyl, one or more C1-C4 alkoxy groups, or both one or more hydroxyl and one or more C1-C4 alkoxy groups, and the C3-C18 alkyl group, whether branched or unbranched, unsubstituted or substituted, is optionally interrupted by up to four oxygen atoms, and one or more compound selected from general formula in which each of R1-R10 is independently selected from hydrogen, hydroxyl, alkyl hydroxyl, alkoxy, alkyl ether, alkyl ester and glycoside, wherein the alkyl, the alkoxy and the alkyl portion of the alkyl ester contains from 1 to 4 carbon atoms, branched or unbranched, and the ester of the alkyl ester contains from 1 to 5 carbon atoms, branched or unbranched.本發明提供一種組成物，其含有具有以下通式之甘油烷基醚：R-O-CH2-CHOH-CH2OH其中R為C3-C18烷基，該烷基為分支鏈或非分支鏈、未經取代或經一或多個羥基、一或多個C1-C4烷氧基或一或多個羥基及一或多個C1-C4烷氧基兩者取代，且不論是分支鏈還是非分支鏈、是未經取代還是經取代，該C3-C18烷基均視情況由至多四個氧原子間雜；及一或多種選自以下通式之化合物：其中R1-R10中之每一者均獨立地選自氫、羥基、烷基羥基、烷氧基、烷基醚、烷基酯及醣苷，其中該烷基、該烷氧基及該烷基酯之烷基部分含有分支鏈或非分支鏈之1至4個碳原子，且該烷基酯之酯含有分支鏈或非分支鏈之1至5個碳原子。
