Baking Soda
3%hydrogen peroxide
Dentists use hydrogen peroxide in their commercial grade whiteners, just at a higher concentration.
Directions:
Pour about a tablespoon of baking soda into a bowl. Add enough hydrogen peroxide to make a paste. Stir with a spoon. When you have a toothpaste-like consistency, dip your toothbrush and brush over your teeth. Do not swallow, after brushing for a minute or two, rinse mouth with water and spit out.
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