The internet is a veritable treasure trove of weird beauty secrets, the latest being this teeth-whitening secret using activated charcoal. Yes, charcoal. As in that black stuff that you would probably never dream of putting in your mouth in a million years, but now you will definitely try because the internet said to.

For a moment, you will look like an extra on The Walking Dead or maybe a person who just ate an entire sleeve of Oreos, but people who swear by this method insist that you will get whiter teeth in just a few brushes. However, the American Dental Association has never evaluated the safety of rubbing activated charcoal all over your teeth, so brush at your own risk. (And the risk of anything white that is in your bathroom. Maybe wear a bib?)