By Savvy Human .
Charcoal powder is very effective for whiting teeth and promoting good oral hygiene. It removes stains, tartar, and bacteria. It contains no synthetic additives, fluoride, foaming agents or artificial colors.The fine powder grain of the charcoal will help to polish your teeth. Brush teeth for 3-5 mins. You can use till you have reached your desired whiteness or use a few times a week.
Straight from the source: Savvy Human .