| abstract |
The present invention relates to an oral composition comprising, in an orally acceptable carrier, from 0.1% to 5% zinc oxide; and from 0.1% to 5% of a source of carbonate ions selected from alkali metal and ammonium carbonates and bicarbonates. The molar ratio of carbonate ion to zinc ion is from 0.05: 1 to 1:1. The composition has good antiplaque efficacy and taste. Preferred compositions are toothpastes. |