“You will cause irreversible damage,” she said. Charcoal toothbrushes should also be avoided if you’re prone to tooth decay. The black hue of activated charcoal makes it an enemy to your ...

TL;DR: As of Jan. 24, the AquaSonic Black Series Toothbrush & Travel Case With 8 Dupont Brush Heads is on sale for $39.99 instead of $189 (that's 78% off). Unless you’re a celebrity or ...

A look at Colgate's spin on the age old practice of using charcoal to whiten teeth Taking a break from white ... of black in the product. Colgate also sells charcoal variants of its toothbrushes.