Oral compositions

A - Human Necessities – 61 – K

Patent

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A61K 7/16 (1990.01)

Patent

CA 2026907

The invention relates to oral compositions such as toothpastes which contain Vitamin C and a copper compound such as coppersulphate. The tendency of these compositions to discolour, particularly if they also contain a zinc compound such as zinc citrate, can be reduced by the inclusion in the compositions of a stannous compound such as stannouspyrophosphate.

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