They do not whiten, they just promise to remove more surface plaque and stains making your teeth appear whiter.
How Do ‘tooth Whitening Toothbrushes’ Work Exactly? How Do They Whiten You’re Teeth It’s Only A Brush?
February 3rd, 2010
Teeth Whitening
Advices about the best teeth whitening products
they don’t actually whiten your teeth at all… you can do as god of job with regular toothbrush as long as you brash 2 times a day