PROBLEM TO BE SOLVED: To provide an excellent antiperspirant composition excellent in persistence of antiperspirant effect and antiperspirant effect, no- stickiness to the skin at the time of use, conformability to the skin at the time of use, and dry-ability after coating.SOLUTION: According to the present invention, there is provided an antiperspirant composition comprising: (A) an antiperspirant component； (B) an acrylic acid-alkyl methacrylate copolymer； and (C) ethanol. In the composition, a 3-mass% sodium chloride aqueous solution containing 1 mass% of the component (B) has a viscosity of 5,000 mPa.s to 20,000 mPa.s at 25°C and pH 7. The mass ratio [A/(B+B)] of the content (mass%) of the component (A), the content (mass%) of the component (B), and the content (mass% C)] is 0.3-3.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】制汗効果、制汗効果の持続性、使用時の肌のべたつきのなさ、使用時の肌へのなじみやすさ、及び塗布後の乾きやすさが良好である優れた制汗剤組成物の提供。【解決手段】（Ａ）制汗成分と、（Ｂ）アクリル酸－メタクリル酸アルキル共重合体と、（Ｃ）エタノールとを含有し、前記（Ｂ）成分を１質量％含有する、３質量％塩化ナトリウム水溶液の粘度が、２５℃、ｐＨ７において５，０００ｍＰａ・ｓ～２０，０００ｍＰａ・ｓであり、前記（Ａ）成分の含有量（質量％）と、前記（Ｂ）成分の含有量（質量％）と、前記（Ｃ）成分の含有量（質量％）との質量比［Ａ／（Ｂ＋Ｃ）］が、０．３～３である制汗剤組成物である。【選択図】なし
