abstract |
The invention relates to oral care compositions comprising a first stannous ion source, a second stannous ion source, wherein the second stannous ion comprises stannous pyrophosphate, and a source of zinc selected from zinc oxide, zinc citrate, zinc lactate, and combinations thereof, and a humectant system comprising glycerin and sorbitol, and a thickening system, as well as to methods of using and making these compositions. |