Charcoal has been dubbed a holy grail when it comes to teeth whitening. In addition to freshening your breath and removing stains caused by years of drinking coffee, tea, and soda, smoking, and more, activated charcoal also whitens your teeth and does so naturally without the use of any harsh chemicals or bleach. So, to help you get those pearly whites naturally, here are 14 of the best charcoal powders for teeth whitening: