The shift from basic white or gel toothpastes to a variety of modern options has made the simple act of brushing teeth more complicated. The three popular types of toothpaste available today are white ...

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SINCE LAST YEAR, Colgate has been using color theory to fix yellow stained-teeth through its Colgate Optic White Purple Toothpaste. On Sept. 15, they released the Colgate Optic White Purple Serum for ...