Derived from the highest-quality coconut sources, White Coat's activated charcoal formula is safe to use for whitening your teeth, while being easy on your gums. White Coat naturally whitens your teeth, not through harsh dental-grade whitening peroxides, but through the power of Activated Charcoal, nature's best purifies and detoxifiers.White Coat's unique formula whitens your teeth over time, and helps remove stains from a number of causes: coffee-stains, wine, cigarettes, and more - all without harsh chemicals or bleach.