The present invention relates to a single phase whitening dentifrice which comprises 0.1% to 30% of a whitening agent comprising a bound peroxide, wherein the bound peroxide comprises a peroxide compound and a polymer 0.1% to 40% of an abrasive having an average particle size of 0.1 to 30 µm and a substantially anhydrous orally acceptable carrier comprising a copolymer of ethylene oxide and propylene oxide wherein the water content of the composition is less than 10%.
