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Put a tiny bit of toothpaste into a small cup, mix in one teaspoon baking soda plus one teaspoon of hydrogen peroxide, and half a teaspoon water. Thoroughly mix then brush your teeth for two minutes. Remember to do it once a week until you have reached the results you want. Once your teeth are good and white, limit yourself to using the whitening treatment once every month or two.
Add baking soda to the water when you hard boil eggs. It raises the pH of the water and makes them easier to peel by reducing the albumen's ability to stick to the shell. Nice tip!