SINGLE PHASE WHITENING DENTIFRICE WITH HIGH PURITY METAPHOSPHATE ABRASIVE ABSTRACT Provided is a single phase oral care composition having a whitening agent a first abrasive selected from calcium pyrophosphate, calcium carbonate, and dicalcium phosphate a second abrasive that may include sodium metaphosphate an anticalculus agent and a substantially anhydrous carrier that may include an ethylene oxide/propylene oxide copolymer. In the composition, a wt% of the second abrasive is equal to or greater than a wt% of the first abrasive.
