Experience the goodness of Pure Teeth Whitening Charcoal Powder. It is 100% natural. This Teeth Whitening Charcoal Powder will help your smile, get white, bright and charming. It has no additives or preservatives. For the best results apply it twice a day. How to use: 1. Put a pinch of powder in the palm and dip a wet toothbrush into powder. 2. Brush teeth for one to two minutes, then rinse. 3. Brush again with water to remove residue.