PROBLEM TO BE SOLVED: To provide a composition for oral cavity, which contains a hydrocarbon oil and is excellent in stability over time. A composition for oral cavity containing (A) a hydrocarbon oil, (B) a polyhydric alcohol, and (C) a polyglycerin fatty acid ester and / or an alkyl glucoside, which comprises a component (A) and a component (C). The content mass ratio (A / C) of the components is 375 or less, and the HLB of the components (i) and (C) is 12 or more and 18 or less, and the mass ratio of the components (A) and (B) (B / A). ) Is 0.1 or more, the HLB of the component (ii) (C) is 11 or more and less than 12, and the B / A is 0.4 or more, or the HLB of the component (iii) (C) is 10 or more and less than 11 , B / A is 1.3 or more, a composition for oral cavity. [Selection diagram] None