Add Yahoo as a preferred source to see more of our stories on Google. How does purple toothpaste work? It uses color theory’s principle of complementary colors. Complementary colors are shades that ...

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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 ...

A beauty trend that you may have seen when scrolling through your social media feeds (via an ad, perhaps), is purple toothpaste. In what looks to be after a second of application, in the videos shared ...