Charcoal As Teeth Whitener: Yes, This Is A Thing

The charcoal is not actually changing the color of tooth enamel, but removing stains allowing the actual tooth color to show, says Dr. Banker. This technique is also great for individuals prone to staining as well as those with very sensitive teeth.

The tiny granules help to prevent cavities and bad breath.

Activated charcoal is actaully a homemade remedy that can be purchased at your local nutrition store.