Can Activated Charcoal Whiten Your Teeth?
“Once enamel is brushed away, the yellow-tinged dentin beneath is revealed. Fleming says once that happens, there’s nothing you can do to regain the white look of enamel, other than restoring the tooth. As with traditional whitening treatments, Fleming says it’s probably best to brush with activated charcoal once or twice a year. But since the stuff isn’t proven to whiten like peroxide-based solutions, teeth-whitening treatments may be my best bet. Bring on the whitening gel. ”
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As stated in the article, charcoal is not like normal whitening products. Although charcoal does whiten your teeth it can also apply irreversible damage and is not highly recommended as the best option for teeth whitening.