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 ...

Have you ever wondered what colour coding on your toothpaste tubes indicates? Even if you haven't, there is a new claim on social media that differentiates the tubes based on coloured blocks. Multiple ...

The word has been going around for quite some time now, but not all of us have been quite sure enough to actually put it to experiment. The simple answer is that purple toothpastes do work, but the ...