The invention refers to a liquid detergent concentrate composition comprising an emulsion having a water phase and an oil phase, the composition comprising based on the whole concentrate: (A) 1-50 wt.-% of a source of alkalinity; (B) 1-70 wt.-% of a at least one non-ionic surfactant; (C) 0.1-10 wt.-% of a copolymer of (1) at least one monomer of the formula (I): H2C═C(R1)—COOH, wherein R1 is a linear or branched C1-C6 alkyl or phenyl group; and (2) at least one monomer of (meth)acrylic acid (C1-C6) alkyl or phenyl ester; (D) 0.1-10 wt.-% of a copolymer of (i) acrylic and/or methacrylic acid; (ii) at least one monomer of the formula (III): H2C═C(R3)—C(O)—O—(CH2CH2O)n—R4, wherein R3 is H or CH3, n is at least 2 and preferably has an average value of at least 10, preferably 10 to 70, 10 to 60, 10 to 30, and R4 is a hydrophobic group containing 8 to 24 carbon atoms; and (iii) at least one monomer of C1-C4 alkyl (meth)acrylate.