Brush your teeth with a mixture of strawberry and baking soda, which “The Dr. According to the Oz Show և YouTube videos, teeth whitening is a natural, inexpensive, easy, self-explanatory way that does not actually whiten teeth և can even weaken them, new research shows.

In the past, lemons were also used as a whitening agent. However, the researchers quickly found that the high concentration of citric acid in the lemon made their juice so acidic that it could cause tooth decay.