The invention relates to a liquid detergent concentrate composition comprising an emulsion having a water phase and an oil phase, the composition comprising 5-30 wt-% of one or more alkalinity source 1-70 wt-% of at least one nonionic surfactant 0.01-10 wt-% of at least one crosslinked or partly crosslinked polyacrylic acid or polymethacrylic acid. Furthermore the invention relates to a stable aqueous use solution, comprising a liquid detergent concentrate according to the invention and to a method for washing textiles with the aqueous use solution.