Researchers have developed a teeth-whitening powder that works with the vibrations of an electric toothbrush to safely remove ...

We tested root touch-up sprays on grays, highlights and color-treated hair to find the most natural-looking products.

Ancient Vietnamese people used an iron rich paste for tooth blackening as a sign of beauty, identity, and cultural tradition.

Removing fluoride from drinking water could lead to more cavities in kids and higher health care costs, a new analysis ...