A composition comprising a) 5 to 50 % by weight and preferably 20 to 50 % by weight of one or more alcohol ethoxylates of the formula R 1 ―O―(CH 2 CH 2 O)n―H wherein R 1 is a linear or branched, preferably a linear, saturated alkyl group comprising 12 to 22, preferably 12 to 20 and more preferably 16 to 18, carbon atoms or a linear or branched, preferably a linear, mono- or polyunsaturated alkenyl group comprising 12 to 22, preferably 12 to 20 and more preferably 16 to 18, carbon atoms, whereby the alcohol R 1 ―OH underlying the respective alcohol ethoxylate of the formula possesses a iodine number of from 30 to 135 g(J 2)/100 g alcohol R 1 -OH and preferably of from 36 to 120 g(J 2)/100g alcohol R 1 -OH, and n on a molar average, is a number of from 4 to 50 and preferably of from 5 to 25, and b) 15 to 50 % by weight and preferably 17 to 44 % by weight of one or more N-methyl glucamides of the formula wherein R is a linear or branched, preferably a linear, saturated alkyl group comprising 7 to 21 and preferably 7 to 17 carbon atoms or a linear or branched, preferably a linear, mono- or polyunsaturated alkenyl group comprising 7 to 21 and preferably 7 to 17 carbon atoms, whereby in at least 25.0 wt.-%, preferably in at least 50.0 wt.-%, more preferably in at least 65.0 wt.-% and even more preferably in at least 80.0 wt.-% of the fatty acids R-COOH underlying the respective N-methyl glucamides of the formula R is a linear or branched, preferably a linear, saturated alkyl group comprising 11 to 21 and preferably 11 to 17 carbon atoms or a linear or branched, preferably a linear, mono- or polyunsaturated alkenyl group comprising 11 to 21 and preferably 11 to 17 carbon atoms, and c) 25 to 45 % by weight and preferably 30 to 45 % by weight of water, the amounts of the one or more alcohol ethoxylates of the formula of component a), of the one or more N-methyl glucamides of the formula of component b) and of water of component c) being based on the total weight of the composition. a) 5 to 50 % by weight and preferably 20 to 50 % by weight of one or more alcohol ethoxylates of the formula R 1 ―O―(CH 2 CH 2 O)n―H wherein R 1 is a linear or branched, preferably a linear, saturated alkyl group comprising 12 to 22, preferably 12 to 20 and more preferably 16 to 18, carbon atoms or a linear or branched, preferably a linear, mono- or polyunsaturated alkenyl group comprising 12 to 22, preferably 12 to 20 and more preferably 16 to 18, carbon atoms, whereby the alcohol R 1 ―OH underlying the respective alcohol ethoxylate of the formula possesses a iodine number of from 30 to 135 g(J 2)/100 g alcohol R 1 -OH and preferably of from 36 to 120 g(J 2)/100g alcohol R 1 -OH, and n on a molar average, is a number of from 4 to 50 and preferably of from 5 to 25, and R 1 is a linear or branched, preferably a linear, saturated alkyl group comprising 12 to 22, preferably 12 to 20 and more preferably 16 to 18, carbon atoms or a linear or branched, preferably a linear, mono- or polyunsaturated alkenyl group comprising 12 to 22, preferably 12 to 20 and more preferably 16 to 18, carbon atoms, whereby the alcohol R 1 ―OH underlying the respective alcohol ethoxylate of the formula possesses a iodine number of from 30 to 135 g(J 2)/100 g alcohol R 1 -OH and preferably of from 36 to 120 g(J 2)/100g alcohol R 1 -OH, and n on a molar average, is a number of from 4 to 50 and preferably of from 5 to 25, and b) 15 to 50 % by weight and preferably 17 to 44 % by weight of one or more N-methyl glucamides of the formula wherein R is a linear or branched, preferably a linear, saturated alkyl group comprising 7 to 21 and preferably 7 to 17 carbon atoms or a linear or branched, preferably a linear, mono- or polyunsaturated alkenyl group comprising 7 to 21 and preferably 7 to 17 carbon atoms, whereby in at least 25.0 wt.-%, preferably in at least 50.0 wt.-%, more preferably in at least 65.0 wt.-% and even more preferably in at least 80.0 wt.-% of the fatty acids R-COOH underlying the respective N-methyl glucamides of the formula R is a linear or branched, preferably a linear, saturated alkyl group comprising 11 to 21 and preferably 11 to 17 carbon atoms or a linear or branched, preferably a linear, mono- or polyunsaturated alkenyl group comprising 11 to 21 and preferably 11 to 17 carbon atoms, and R is a linear or branched, preferably a linear, saturated alkyl group comprising 7 to 21 and preferably 7 to 17 carbon atoms or a linear or branched, preferably a linear, mono- or polyunsaturated alkenyl group comprising 7 to 21 and preferably 7 to 17 carbon atoms, whereby in at least 25.0 wt.-%, preferably in at least 50.0 wt.-%, more preferably in at least 65.0 wt.-% and even more preferably in at least 80.0 wt.-% of the fatty acids R-COOH underlying the respective N-methyl glucamides of the formula R is a linear or branched, preferably a linear, saturated alkyl group comprising 11 to 21 and preferably 11 to 17 carbon atoms or a linear or branched, preferably a linear, mono- or polyunsaturated alkenyl group comprising 11 to 21 and preferably 11 to 17 carbon atoms, and c) 25 to 45 % by weight and preferably 30 to 45 % by weight of water, the amounts of the one or more alcohol ethoxylates of the formula of component a), of the one or more N-methyl glucamides of the formula of component b) and of water of component c) being based on the total weight of the composition.