Coconut charcoal

,

As you may have heard, activated charcoal teeth whitening is essentially a form of carbon that’s been treated to make the surface of its particles porous. All of those little nooks and crannies act like magnets for other particles, which it absorbs and then sweeps away when the charcoal is washed off. "Activated charcoal toothpastes are a rebirth of ancient medicine techniques.