It is important to remember that genetics play a big role in the natural color of your teeth and that everyone’s natural color is different. No teeth whitening product in the world can modify the genetic makeup that defines your tooth’s color. However, we guarantee that when our products are used properly, it will remove all the stains that have built up over the years and restore your teeth to their optimal whiteness. The average person will remove all stains within 1-2 In clinic treatments or 7-14 home whitening treatments. Other may require more to remove deeply set stains.