About the product： Activated coconut charcoal helps kill odor-causing bacteria and whitens teeth by removing stains from your teeth using a process called "adsorbent". Coconut charcoal is the finest and purest form of food grade charcoal. Effectively refreshes breathing, controls tartar and whitens teeth. It is safer than bleach-based whitening strips and gel trays. Our food grade ingredients are specially formulated to ensure that the most sensitive teeth and gums do not suffer. How to use: 1. Wet toothbrush. 2. Dip the brush into the charcoal powder. 3. Brush gently for 1 to 2 minutes, paying particular attention to stained teeth. 4. Wash out mouth with water.