PROBLEM TO BE SOLVED: To provide a liquid detergent composition, which enables rich foaming, easiness to comb with fingers during rinsing, and smooth hair after drying and is excellent in storage stability even under severe storage conditions.SOLUTION: The liquid detergent composition comprises (a) an anionic surfactant, (b) a water-soluble compound comprising a copolymer of a mixture of a vinyl monomer (A) having a hydroxy group and an amide bond and a vinyl monomer (B) having a cationic group, and (c) a specific amine oxide.COPYRIGHT: (C)2007,JPO&INPIT【課題】 豊かな泡立ちですすぎ時の指どおりが良く、乾燥後の髪がなめらかで、過酷な保管条件においても保存安定性に優れる液体洗浄剤組成物を提供する。【解決手段】 (a)アニオン界面活性剤、(b)水酸基及びアミド結合を有するビニル系単量体(A)とカチオン性基を有するビニル系単量体(B)とを含む単量体混合物の共重合体からなる水溶性化合物、(c)特定のアミンオキシドを含有する液体洗浄剤組成物。【選択図】 なし