The active coal is the best solution to whiten your teeth. This method may have a disgusting aspect, but it allowed a lot of people to whiten their teeth. The active coal proved to be efficient in the treatment of numerous health problems of the dysentery to the one of the secondary effects of the radiotherapy.
How to whiten your teeth with the active coal?
It is super simple. Crush a little active coal in a bowl, and with your toothbrush, apply it on your teeth.
You can find active carbon in all pharmacies.
Brush during 3 to 4 minutes, rinse then well. You will note an improvement since the first application. Your teeth will be whiter after one week of regular use.