A liquid detergent composition comprising: a) from 1 wt% to 60 wt% by weight of the liquid detergent composition of a surfactant system, wherein the surfactant system comprises: i) an anionic surfactant, preferably the anionic surfactant is selected from the group consisting of sulfate surfactants, sulfonate surfactants, and mixtures thereof; more preferably sulfate surfactants, most preferably sulfate surfactants selected from the group consisting of: alkyl sulfate, alkyl alkoxy sulfate, and mixtures thereof; and ii) a primary co-surfactant selected from the group consisting of an amine oxide surfactant, a betaine surfactant, and mixtures thereof; and from 0.005 wt% to 10 wt% by weight of the liquid detergent composition of a potato-derived protein, wherein the potato-derived protein comprises, based on active protein: i) from 10 wt% to 80 wt% by weight of the total potato-derived protein of a protein belonging to the patatin family; ii) from 10 wt% to 75 wt% by weight of the total potato-derived protein of a protein belonging to the protease inhibitor family; and iii) from 10 wt% to 75 wt% by weight of the total potato-derived protein of a protein belonging to the lipoxygenase family; and iv) below 15% by weight of the total potato-derived protein of a protein belonging to the phosphorylase family. a) from 1 wt% to 60 wt% by weight of the liquid detergent composition of a surfactant system, wherein the surfactant system comprises: i) an anionic surfactant, preferably the anionic surfactant is selected from the group consisting of sulfate surfactants, sulfonate surfactants, and mixtures thereof; more preferably sulfate surfactants, most preferably sulfate surfactants selected from the group consisting of: alkyl sulfate, alkyl alkoxy sulfate, and mixtures thereof; and ii) a primary co-surfactant selected from the group consisting of an amine oxide surfactant, a betaine surfactant, and mixtures thereof; and from 0.005 wt% to 10 wt% by weight of the liquid detergent composition of a potato-derived protein, wherein the potato-derived protein comprises, based on active protein: i) from 10 wt% to 80 wt% by weight of the total potato-derived protein of a protein belonging to the patatin family; ii) from 10 wt% to 75 wt% by weight of the total potato-derived protein of a protein belonging to the protease inhibitor family; and iii) from 10 wt% to 75 wt% by weight of the total potato-derived protein of a protein belonging to the lipoxygenase family; and iv) below 15% by weight of the total potato-derived protein of a protein belonging to the phosphorylase family. i) an anionic surfactant, preferably the anionic surfactant is selected from the group consisting of sulfate surfactants, sulfonate surfactants, and mixtures thereof; more preferably sulfate surfactants, most preferably sulfate surfactants selected from the group consisting of: alkyl sulfate, alkyl alkoxy sulfate, and mixtures thereof; and ii) a primary co-surfactant selected from the group consisting of an amine oxide surfactant, a betaine surfactant, and mixtures thereof; and i) from 10 wt% to 80 wt% by weight of the total potato-derived protein of a protein belonging to the patatin family; ii) from 10 wt% to 75 wt% by weight of the total potato-derived protein of a protein belonging to the protease inhibitor family; and iii) from 10 wt% to 75 wt% by weight of the total potato-derived protein of a protein belonging to the lipoxygenase family; and iv) below 15% by weight of the total potato-derived protein of a protein belonging to the phosphorylase family.