Question: is it safe to whiten teeth with baking soda and hydrogen peroxide?
Answer: #3 Baking soda and Hydrogen Peroxide You can partner baking soda with another household product — hydrogen peroxide — to effectively whiten your teeth. Mix a teaspoon of baking soda and a half teaspoon of hydrogen peroxide until the mixture turns into a toothpaste-like consistency. Use the mixture to brush your teeth.