Dear Derm 100% Natural Activated Charcoal Powder Teeth Whitening.Charcoal is hard in nature, but gentle enough that it won’t scratch your teeth. In fact, it is one of the safest ways to whiten and deodorize your teeth. Activated Organic Charcoal can be used as a toothpaste supplement in addition to your toothpaste, helping your teeth and gums stay healthy. For best results, gently brush your teeth daily with activated charcoal for 30 days. Size 60gr