Patent ID: 9724280
Date: 2017-08-08
CPC Classifications: A61K,A61Q

Claim:
1. An oral care composition comprising (i) a whitening complex comprising crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide, and (ii) a thickening system comprising silica as a first thickening agent; and crosslinked polyvinylpyrrolidone as a second thickening agent, wherein the silica comprises greater than 15 wt % the weight of the mixture of the silica and the crosslinked polyvinylpyrrolidone in the thickening system and wherein the silica is present in an amount of from 2.5 wt % to 4.5 wt % based on the weight of the composition, the crosslinked polyvinylpyrrolidone is present in an amount of from 1 wt % to 3.5 wt % based on the weight of the composition, and the total weight of the silica and the crosslinked polyvinylpyrrolidone is from 4.5 wt % to 6.5 wt % based on the weight of the composition.