The present invention relates to a liquid oral cavity composition that is applied as foam into the oral cavity in use so as to effectively promote the adsorption of a cationic bactericide on the surface of the oral cavity. That is, the present invention provides a liquid oral composition contained in a foam dispensing container, which comprises the components of: (A) 0.05 mass% to 1 mass% of sodium alkylsulfate, (B) 0.001 mass% to 0.1 mass% of cationic bactericide, and (C) water, wherein the ratio by mass of component (B) to component (A) [(B)/(A)] is 0.005 to 0.7, and the content of a nonionic surfactant is 1.2 mass% or less.本發明係關於一種液體口腔用組合物，其藉由於使用時以泡狀應用於口腔內，能夠有效地促進陽離子性殺菌劑於口腔內表面之吸附。即，本發明係一種泡噴出容器裝之液體口腔用組合物，其含有如下成分(A)、(B)及(C)：(A)烷基硫酸鈉0.05質量%以上且1質量%以下、(B)陽離子性殺菌劑0.001質量%以上且0.1質量%以下、及(C)水，且成分(B)與成分(A)之質量比((B)/(A))為0.005以上且0.7以下，且非離子界面活性劑之含量為1.2質量%以下。
