To whiten your teeth at home in just two minutes for free follow the following recipe: Mix a few teaspoons of baking soda in a dish with a small amount of peroxide. Start to mix the soda and peroxide with a clean spoon. Keep adding a little bit more peroxide until you get a thick — but not gritty — paste. Use a toothbrush to apply the paste to your teeth using small circular motions. Brush for no longer than 2 minutes. don’t do this routine more than once a week. Follow if you like to get whiter

How Tooth Whitening Works