PROBLEM TO BE SOLVED: To provide a cationic copolymer composition and an amphoteric copolymer composition which have high safety to human and good emulsification action, and to provide a cosmetic and an aromatic agent containing the cationic copolymer composition and/or the amphoteric copolymer composition.SOLUTION: A cationic copolymer composition is obtained by copolymerization of an allyl compound (1) having C4 to C22 linear, branched, and cyclic saturated or unsaturated hydrocarbon or a benzyl group and an allyl compound (2) having a hydrogen atom or C1 to C3 alkyl group and an alkenyl group, where the sum of the total molar number of a monomer represented by general formula (1) and the total molar number of a monomer represented by general formula (2) is 100 mol%, the total molar number of the monomer represented by general formula (1) is 0.3 to 99.6 mol%, and the total molar number of the monomer represented by general formula (2) is 0.4 to 99.7 mol%.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】人への安全性が高く、良好な乳化作用を有するカチオン性共重合体組成物、両性共重合体組成物、該カチオン性共重合体組成物または／および該両性共重合体組成物を含有する化粧料および芳香剤を提供する。【解決手段】Ｃ４～Ｃ２２の直鎖、分岐、環状の飽和または不飽和の炭化水素、またはベンジル基、を有するアリル化合物（１）と、水素原子またはＣ１～Ｃ３のアルキル基、アルケニル基、を有するアリル化合物（２）と、を共重合させて得られ、一般式（１）で表される単量体の総モル数と一般式（２）で表される単量体の総モル数の合計を１００モル％とし、一般式（１）で表される単量体の総モル数が０．３～９９．６モル％、一般式（２）で表される単量体の総モル数が０．４～９９．７モル％である。【選択図】図１
