Peroxide gel dentifrice

Details Peroxide gel dentifrice Peroxide gel dentifrice

A - Human Necessities

61

K

A61K 33/40 (2006.01)

Patent

CA 2045266

An oral composition is provided in the form of a clear gel dentrifice containing hydrogen peroxide and a polyoxyethylene- polyoxypropylene copolymer. The gel is stabilized against loss of viscosity at low temperatures by the presence of glycerol in amounts more than 30% but less than 50%. The weight ratio of glycerol to copolymer must range from 1:0.7 to 1:0.4. Advantageously for peroxide stability, the composition has a pH of less than 3. Phosphoric acid is beneficial as the acidifying agent.

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