PROBLEM TO BE SOLVED: To provide a liquid oral composition which promotes adsorption of cetylpyridinium chloride onto a tooth surface to increase an adsorption amount to the tooth surface, and is preferable as a composition for suppressing formation of dental plaque.SOLUTION: In a liquid oral composition, (B) 0.20 mass% or more of citric acid and/or salt thereof and (C) 0.10 mass% or more of 1 type or 2 types or more selected from tartaric acid, malic acid and salt thereof are blended into a liquid oral composition containing (A) cetylpyridinium chloride, and a total blended amount of (B) component and (C) component is set to less than 1.50 mass%.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】塩化セチルピリジニウムの歯面吸着が促進されて歯面への吸着量が増加し、歯垢形成抑制用として好適な液体口腔用組成物を提供する。【解決手段】(A)塩化セチルピリジニウムを含有する液体口腔用組成物に、(B)クエン酸及び/又はその塩を0.20質量%以上と、(C)酒石酸,リンゴ酸及びその塩から選ばれる1種又は2種以上を0.10質量%以上とを配合し、(B)成分及び(C)成分の合計配合量を1.50質量%未満としたことを特徴とする液体口腔用組成物。【選択図】なし
