| 摘要 |
<p>A dentifrice composition containing minor amounts of relatively small particle size high cleaning abrasives, without oral care actives. The dentifrice may be encapsulated and optionally, positioned on the head of a toothbrush. Use of the dentifrice provides a small amount of high cleaning abrasive to the teeth, and has stain removal efficacy. In one aspect, a dentifrice composition comprising an orally acceptable carrier and 1 to 10 wt% abrasive, such that the total amount of abrasive delivered per application is 2 mg to 8 mg, the abrasive having a weight mean particle size in the range of 3 to 7 µm, with at least 90% of the particles by weight having a size below 16 µm, and wherein the composition does not contain an oral care active.</p> |
