To provide an antiperspirant or deodorant agent of a non-solid type, such as a liquid agent or cream, or the like, which gives a good feeling of use and is excellent in skin adhesion of an antiperspirant component or a deodorization component.SOLUTION: An antiperspirant or a deodorant agent is an O/W emulsion type containing particles of polycondensation polymer having a closed endoplasmic reticulum formed with an amphiphile which spontaneously forms a closed endoplasmic reticulum, or a hydroxyl group, wherein an internal phase is an oil phase, and an external phase is an aqueous phase, and furthermore, an antiperspirant component and/or a deodorization component are/is contained.SELECTED DRAWING: None【課題】良好な使用感が得られかつ制汗成分又は消臭成分の皮膚付着性に優れる液剤やクリーム等の非固形タイプの制汗剤又はデオドラント剤を提供すること。【解決手段】制汗剤又はデオドラント剤は、内相は油相であり、外相は水相であり、自発的に閉鎖小胞体を形成する両親媒性物質により形成された閉鎖小胞体又は水酸基を有する重縮合ポリマーの粒子を含むＯ／Ｗエマルション型であり、さらに、制汗成分及び／又は消臭成分を含有する。【選択図】なし
