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How to whiten teeth with active charcoal
The natural binding qualities of activated charcoal allow it to adhere to surface stains, effectively removing them after brushing. Also known as activated carbon, activated charcoal comes in various forms such as in liquid, powder tablets, chewable form, suspension, and the most common - capsules.

Use it as a natural teeth whitener by brushing with it on a weekly basis. To do this, (using the encapsulated form) open one capsule and pour it into a small container. Add just enough water to the powder to make a paste. Spread the paste onto your toothbrush and brush your teeth like you would with toothpaste. It's not necessary to scrub as long a you would with toothpaste. The main goal is to have it cover the entire surface of the teeth. Leave it on for 5-10 minutes to allow it to adhere to surface stains. Once the time is up, rinse it away and brush your teeth as your would normally.

New Jersey-based cosmetic dentist, Joseph Banker said,"I was super skeptical until I tried it. It's quite messy, but it does strip away stains and plaque to make your teeth appear whiter."

This method of natural teeth whitening can be a bit messy. To prevent the powder from potentially staining your bathroom or garments, try applying the paste in the shower and rinsing it out at the end of your shower.