Colgate’s Dentifrice Offers Zinc Antibacterial Effects

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By: TOM BRANNA

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US Patent No. 10,342,750 B2 (Michael Prencipe, Yun Xu, Xiao Yi Huang, Steven Fisher, Betty Won, Lyndsay Schaeffer-Korbylo); Colgate-Palmolive has patented an oral care composition having synergistic zinc antibacterial effects. It is comprised of zinc oxide and zinc citrate. The zinc citrate is about 0.5% by weight of the composition, and the zinc oxide is about 1% by weight of the composition. The composition comprises a fluoride source selected from stannous fluoride, sodium fluoride, potassium...

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