The list of DIY beauty hacks is long — and they range from simple, like using vaseline to moisturize dry skin, to quite complex and sometimes even dangerous. In the world of cosmetic dentistry, one of the more surprising “hacks” is using charcoal to whiten teeth. But does it work? The answer is inconclusive — yet the thing that is for sure is that it can put your smile at real risk. Keep reading to learn more about this trend and why it is a good idea to partner with your dentist for professional teeth whitening instead.