PROBLEM TO BE SOLVED: To provide an oral composition in which a water-soluble active ingredient has improved retentivity and absorbency in an oral tissue.SOLUTION: An oral composition contains at least one water-soluble active ingredient, and also contains (1) hexaglyceryl polyricinolate, (2) a C8-22 fatty acid having a branched chain structure, and a C8-22 fatty acid ester having a linear or branched structure, or (3) a C8-22 fatty acid having a branched chain structure and water.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】水溶性有効成分の口腔内組織における滞留性及び吸収性が向上する口腔用組成物を提供すること。【解決手段】少なくとも1種の水溶性有効成分と、(1)ポリリシノレイン酸ヘキサグリセリルと、(2)炭素数8~22の分岐鎖構造を有する脂肪酸、及び炭素数8~22の直鎖又は分岐鎖構造を有する脂肪酸エステルと、或いは(3)炭素数8~22の分岐鎖構造を有する脂肪酸、及び水と、を含有する口腔用組成物。【選択図】なし
