PROBLEM TO BE SOLVED: To obtain a liquid detergent obliterating the need for after-use water rinsing and water wiping operations and excellent in terms of lasting effects and fungal and bacterial resistances.SOLUTION: The provided liquid detergent is obtained by adding, to an aqueous solution including lactic acid provided as a solvent, a mixture of (a) a 2-mercaptopyridine-N-oxide salt or homologous derivative salt thereof and (b) a dichlofluanid or homologous derivative thereof and/or diiodomethyl-p-tolylsulfone or homologous derivative thereof having a different iodine substituent number in such a way that this mixture will be included at a concentration of 25 mg to 200 mg with respect to 1 L of the solvent.COPYRIGHT: (C)2014,JPO&INPIT【課題】使用後の水洗及び水拭きを不要にし、且つ効果の持続性と抗カビ・抗菌性に優れた液体洗浄剤を得る。【解決手段】乳酸を含む水溶液である溶媒に、(a)2-メルカプトピリジン-N-オキシド塩又は同族誘導体塩と、(b)ジクロフルアニド又は同族誘導体、及び/又は、ジヨードメチル-p-トリルスルフォンもしくはヨウ素置換数が異なる同族誘導体と、の混合物を、この混合物の濃度が前記溶媒1Lに対して25mg~200mg含まれるように添加することにより液体洗浄剤を得る。【選択図】図2