A liquid aqueous detergent composition comprising, a. 8 to 30 wt% of a surfactant system comprising, i. primary surfactant being anionic surfactant comprising a surfactant A of formula I: (R 1 -(OR') n -O-SO 3 - ) x M x+ , wherein: R 1 is saturated or unsaturated C 8 -C 16 alkyl chain; R' is ethylene; n is from 1 to 18; x is equal to 1 or 2; M x+ is a suitable cation which provides charge neutrality selected from sodium, calcium, potassium and magnesium; and a surfactant B of formula II: (R 1 -O-SO 3 - ) x M x+ , wherein: R 1 is saturated or unsaturated C 8 -C 16 alkyl chain; x is equal to 1 or 2; M x+ is a suitable cation which provides charge neutrality selected from sodium, calcium, potassium and magnesium; and ii. secondary surfactant being amphoteric surfactant comprising betaine; b. 0.1 to 5 wt% of an inorganic salt selected from the group consisting of sodium chloride, magnesium sulphate, sodium sulphate and combinations thereof; wherein the weight ratio of surfactant A to surfactant B is in the range from 2:1 to 1:2.5; wherein the surfactant system is free of alkylbenzene sulphonates and derivatives thereof; and wherein the weight ratio of primary surfactant to secondary surfactant is in the range from 4:1 to 13:1. a. 8 to 30 wt% of a surfactant system comprising, i. primary surfactant being anionic surfactant comprising a surfactant A of formula I: (R 1 -(OR') n -O-SO 3 - ) x M x+ , wherein: R 1 is saturated or unsaturated C 8 -C 16 alkyl chain; R' is ethylene; n is from 1 to 18; x is equal to 1 or 2; M x+ is a suitable cation which provides charge neutrality selected from sodium, calcium, potassium and magnesium; and a surfactant B of formula II: (R 1 -O-SO 3 - ) x M x+ , wherein: R 1 is saturated or unsaturated C 8 -C 16 alkyl chain; x is equal to 1 or 2; M x+ is a suitable cation which provides charge neutrality selected from sodium, calcium, potassium and magnesium; and ii. secondary surfactant being amphoteric surfactant comprising betaine; i. primary surfactant being anionic surfactant comprising a surfactant A of formula I: (R 1 -(OR') n -O-SO 3 - ) x M x+ , wherein: R 1 is saturated or unsaturated C 8 -C 16 alkyl chain; R' is ethylene; n is from 1 to 18; x is equal to 1 or 2; M x+ is a suitable cation which provides charge neutrality selected from sodium, calcium, potassium and magnesium; and a surfactant B of formula II: (R 1 -O-SO 3 - ) x M x+ , wherein: R 1 is saturated or unsaturated C 8 -C 16 alkyl chain; x is equal to 1 or 2; M x+ is a suitable cation which provides charge neutrality selected from sodium, calcium, potassium and magnesium; and R 1 is saturated or unsaturated C 8 -C 16 alkyl chain; R' is ethylene; n is from 1 to 18; x is equal to 1 or 2; M x+ is a suitable cation which provides charge neutrality selected from sodium, calcium, potassium and magnesium; and a surfactant B of formula II: (R 1 -O-SO 3 - ) x M x+ , wherein: R 1 is saturated or unsaturated C 8 -C 16 alkyl chain; x is equal to 1 or 2; M x+ is a suitable cation which provides charge neutrality selected from sodium, calcium, potassium and magnesium; and R 1 is saturated or unsaturated C 8 -C 16 alkyl chain; x is equal to 1 or 2; M x+ is a suitable cation which provides charge neutrality selected from sodium, calcium, potassium and magnesium; and ii. secondary surfactant being amphoteric surfactant comprising betaine; b. 0.1 to 5 wt% of an inorganic salt selected from the group consisting of sodium chloride, magnesium sulphate, sodium sulphate and combinations thereof; wherein the weight ratio of surfactant A to surfactant B is in the range from 2:1 to 1:2.5; wherein the surfactant system is free of alkylbenzene sulphonates and derivatives thereof; and wherein the weight ratio of primary surfactant to secondary surfactant is in the range from 4:1 to 13:1. <EOS>