This naturally whitening toothpowder, with additional activated charcoal, works by absorbing and polishing away stains and plaque that naturally form on our teeth. It's a completely safe and fast-effective formula made without the use of any chemicals like peroxides, fluoride compounds or synthetic flavourings. Georganics blends this fine pharmaceutical activated charcoal with high quality mineral powders, all of which food grade so completely safe if accidentally ingested.