Charcoal Teeth Whitening: Everything You Need To Know
As a teethwhitening agent, charcoal can take the form of a toothpaste additive, toothbrush bristles, capsules, or a loose powder. Charcoal Toothpaste Additive: When charcoal is added to toothpaste, it can be the main or supplemental ingredient, and it can make the toothpaste black or light gray, depending on the concentration.