Harnessing all the goodness of nature's strongest whitening ingredients like activated charcoal, coconut oil, and baking soda, to finesse your brightest and healthiest smile, naturally. Unlike peroxide-based teeth whitening products, PearlBar's Natural Whitening Toothpaste harnesses the powerful and natural whitening benefits of charcoal to help lift stains without causing sensitivity. By penetrating your tooth's enamel and absorbing stains and toxins, our charcoal toothpaste brightens and whitens teeth all while strengthening your tooth surface.  Is charcoal safe?