Toothpaste tubes typically have color-coded bars, which some people believe point to their ingredients, such as green indicating all-natural toothpaste. However, this is entirely false, with the bars ...

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 ...

Now we're all checking our toothpaste tubes. As if conspiracy theories could get any more wild, now there's one involving the different kinds of toothpaste that we use. The theory, which was discussed ...