The present invention relates to a composition which contains a mixture of alkoxylated mono-, di-, and triglycerides and glycerine of formula wherein R′ represents H or CH3, and each one of m, n, or l represents, independently, a number from 0 to 20, the sum of m, n, and l being in the range of 1.5 to 20, characterized in that in the acyl group represented by —CO—R, R represents an alkyl or alkenyl group, linear or branched, of 6 to 11 carbon atoms, and the proportion by weight (i)+(ii)+(iii)/(iv) is in the range of 2.0:0.5 to 0.5:3; and to a method for the preparation of said composition, the detergent compositions which contain said compositions, and the use of said composition as surfactant or co-surfactant in the detergent compositions, particularly in detergent compositions, especially, but not exclusively, suitable for washing fabrics, suitable for manual dishwashing, for washing the hair or for personal hygiene.