A composition comprising from 30% to 100% by weight of a surfactant system which comprises: a) an anionically modified alkoxylated glycerol ester represented by the formula; R 7 = H, -EM or -CO-R 10 R 8 = H, -EM or -CO-R 11 R 9 = H, -EM or -CO-R 12 where each of R 1 to R 6 is independently a hydrogen or a methyl group; a first group of R 7, R 8 and R 9 is independently a -EM group or an acyl group in which R 10, R 11, and R 12 are each independently -L-EM; the remaining two groups of R 7, R 8 and R 9 are each independently a hydrogen, a -EM group, or an acyl group in which R 10, R 11, and R 12 are each independently -L-EM or a linear or branched, alkyl or alkenyl group having 1 to 30 carbon atoms; wherein each -L- is independently a linear or branched, alkylene or alkenylene group having 1 to 30 carbon atoms; each E is independently a group comprising one or more of carboxylate, sulfate, sulfonate, sulfosuccinate, sulfoacetate, sarcosinate, phosphate and phosphonate; each M is independently a solubilizing cation selected from sodium, potassium, ammonium, substituted ammonium and mixtures thereof; m, n, p, x, y, and z are each independently a number from 0 to 30; the sum of m, n, p, x, y, z being in the range of 1 to 90; and b) an alkyl sulfate; wherein the anionically modified alkoxylated glycerol ester is sulfonated ethoxylated glycerol ester; and wherein the composition is a liquid detergent composition. a) an anionically modified alkoxylated glycerol ester represented by the formula; R 7 = H, -EM or -CO-R 10 R 8 = H, -EM or -CO-R 11 R 9 = H, -EM or -CO-R 12 where each of R 1 to R 6 is independently a hydrogen or a methyl group; a first group of R 7, R 8 and R 9 is independently a -EM group or an acyl group in which R 10, R 11, and R 12 are each independently -L-EM; the remaining two groups of R 7, R 8 and R 9 are each independently a hydrogen, a -EM group, or an acyl group in which R 10, R 11, and R 12 are each independently -L-EM or a linear or branched, alkyl or alkenyl group having 1 to 30 carbon atoms; wherein each -L- is independently a linear or branched, alkylene or alkenylene group having 1 to 30 carbon atoms; each E is independently a group comprising one or more of carboxylate, sulfate, sulfonate, sulfosuccinate, sulfoacetate, sarcosinate, phosphate and phosphonate; each M is independently a solubilizing cation selected from sodium, potassium, ammonium, substituted ammonium and mixtures thereof; m, n, p, x, y, and z are each independently a number from 0 to 30; the sum of m, n, p, x, y, z being in the range of 1 to 90; and R 7 = H, -EM or -CO-R 10 R 8 = H, -EM or -CO-R 11 R 9 = H, -EM or -CO-R 12 where each of R 1 to R 6 is independently a hydrogen or a methyl group; a first group of R 7, R 8 and R 9 is independently a -EM group or an acyl group in which R 10, R 11, and R 12 are each independently -L-EM; the remaining two groups of R 7, R 8 and R 9 are each independently a hydrogen, a -EM group, or an acyl group in which R 10, R 11, and R 12 are each independently -L-EM or a linear or branched, alkyl or alkenyl group having 1 to 30 carbon atoms; wherein each -L- is independently a linear or branched, alkylene or alkenylene group having 1 to 30 carbon atoms; each E is independently a group comprising one or more of carboxylate, sulfate, sulfonate, sulfosuccinate, sulfoacetate, sarcosinate, phosphate and phosphonate; each M is independently a solubilizing cation selected from sodium, potassium, ammonium, substituted ammonium and mixtures thereof; m, n, p, x, y, and z are each independently a number from 0 to 30; the sum of m, n, p, x, y, z being in the range of 1 to 90; and b) an alkyl sulfate; wherein the anionically modified alkoxylated glycerol ester is sulfonated ethoxylated glycerol ester; and wherein the composition is a liquid detergent composition. wherein the anionically modified alkoxylated glycerol ester is sulfonated ethoxylated glycerol ester; and wherein the composition is a liquid detergent composition.