PROBLEM TO BE SOLVED: To provide a detergent composition which can be used in washing to give a washed thing excellent in smoothness at rinsing after washing and feelings of nonwetness, nonstiffness, etc., after drying.SOLUTION: The detergent composition comprises a copolymer (A) comprising structural units each corresponding to a specifically structured vinyl monomer containing an amide bond or a hydroxy group and structural units each corresponding to a specifically structured vinyl monomer containing an ester bond and a copolymer (B) comprising structural units each corresponding to a specifically structured vinyl monomer containing an amide bond or a hydroxy group and structural units each corresponding to a specifically structured vinyl monomer containing an amide bond.COPYRIGHT: (C)2007,JPO&INPIT【課題】洗浄後の濯ぎの際のなめらかさ、乾燥後のサラサラ感、ゴワツキの無さなどに優れる洗浄剤組成物を提供する。【解決手段】アミド結合又は水酸基を含有する特定構造のビニル系単量体及びエステル結合を含有する特定構造のビニル系単量体に相当する構成単位を含む共重合体(A)と、アミド結合又は水酸基を含有する特定構造のビニル系単量体及びアミド結合を含有する特定構造のビニル系単量体に相当する構成単位を含む共重合体(B)とを含有する洗浄剤組成物。【選択図】 なし