how-to-whiten-teeth-naturally-charcoal

how-to-whiten-teeth-naturally-charcoal

Yet do not underestimate charcoal, because it contains that can eliminate yellow teeth

Strange indeed whiten teeth by using materials that are clearly black. Yet do not underestimate charcoal, because it contains that can eliminate yellow teeth.
But try to use wood charcoal 1-2 times, given their nature can erode tooth enamel, making excessive use will result in a sense of pain and toothache.