PROBLEM TO BE SOLVED: To provide a composition for an oral cavity which has excellent formation suppression-infiltration stabilizing effects for a periodontopathic biofilm, exhibits a high periodontal disease preventive effect, and further has a formulation appearance with high clarity when being prepared into a liquid in particular.SOLUTION: The composition for an oral cavity comprises: (A) alginic acid propylene glycol ester and (B) isopropyl methylphenol, and also comprises (C) at least one kind of nonionic surfactant selected from polyoxyethylene hardened castor oil in which the average addition mol number of ethylene oxide is 40 to 100 mol, polyoxyethylene alkylether in which the carbon number of an alkylene group is 16 to 18, and the average addition mole number of ethylene oxide is 20 to 40 mol and decaglycerol monofatty acid fatty ester in which the carbon number of fatty acid is 12 to 18.COPYRIGHT: (C)2012,JPO&INPIT【課題】歯周病原性バイオフィルムの生成抑制及び浸透殺菌効果に優れ、高い歯周病予防効果を奏し、また、特に液体に調製した場合に澄明性の高い製剤外観を有する口腔用組成物を提供する。【解決手段】アルギン酸プロピレングリコールエステル(A)と、イソプロピルメチルフェノール(B)とを含有し、かつエチレンオキサイドの平均付加モル数が40~100モルのポリオキシエチレン硬化ヒマシ油、アルキル基の炭素数が16~18でエチレンオキサイドの平均付加モル数が20~40モルのポリオキシエチレンアルキルエーテル、脂肪酸の炭素数が12~18のデカグリセリンモノ脂肪酸エステルから選ばれる少なくとも1種の非イオン性界面活性剤(C)を含有してなることを特徴とする口腔用組成物。【選択図】なし
