| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide such a composition for use in oral cavities as is excellent in the luster-imparting effect on teeth. <P>SOLUTION: This composition for use in oral cavities includes the following components (A) and (B): (A) 0.01-3 mass% of phytic acid or a salt thereof; and (B) 0.01-3 mass% of pyrophosphoric acid or a salt thereof, and also includes none of or less than 0.1-fold mole, based on the phytic acid, of a multivalent cation, and has a pH of 5.5-6.5 when diluted with water into 30 mass%, and a molar ratio (B/A) of component (B) to component (A) of 0.2-3.0. <P>COPYRIGHT: (C)2013,JPO&INPIT |
