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 ...

Chelsea Rae Bourgeois is a registered dietitian nutritionist with several years of experience working in the clinical setting. Once a track and field athlete on a competitive stage, she now finds joy ...

Choosing the right toothpaste is essential for oral hygiene, but the process can be confusing. All toothpastes clean teeth, but you may also need to address concerns like reducing sensitivity, whiten ...

Since late 2024, social media users have spread a supposedly real vintage advertisement for scotch- and bourbon-flavored toothpaste. The image of the ad spread on ...

Instead of the white foam most of us normally produce when brushing our teeth, activated charcoal toothpastes coat teeth (temporarily) in a dusky slurry. Yet despite their dark hues, many companies ...

Hydroxyapatite (HAP) toothpaste is a dental product that contains manufactured calcium phosphate. Calcium and phosphate are minerals that form 95% of tooth enamel and 70% of bones. NASA developed HAP ...