<;P>;PROBLEM TO BE SOLVED: To provide a composition for oral cavity in which stain adsorption to a tooth based on cetylpyridinium chloride can be controlled while promoting adsorption to a tooth of cetylpyridinium chloride. <;P>;SOLUTION: The composition for oral cavity includes: 0.1-0.5 mass% of cetylpyridinium chloride; and 0.2-2 mass% of glycyrrhizic acid or its salt. <;P>;COPYRIGHT: (C)2011,JPO&INPIT