A dentifrice composition having a low water phase comprising effective amounts of polyphosphate and ionic active ingredients. The composition comprises a source of metal ions, an inorganic phosphate salt having four or more phosphorus atoms and a cross-linked polyvinylpyrrolidone thickening agent in a single phase. Preferred metal ions are stannous, copper and zinc, in particular from zinc citrate and stannous fluoride.ポリリン酸塩のイオン活性成分の有効量を含む低水相を有する歯磨剤組成物。