| 摘要 |
An object of the present invention is to provide an oral composition that has high power to remove stains from tooth surfaces and appropriate abrasive power. The invention provides an oral composition containing diamond particles and abrasive silica particles, the diamond particles having a median size (d50) of 2.0 to 3.5 µm, and the abrasive silica particles having an RDA of at least 50. |
