Dollar tree has this 5 min whitening kit, by the toothpaste, it comes with a little mouthpiece. I use it here and there and it works great. My teeth are pretty white but I drink coffee so I am hyper about it staining my teeth. People always comment that they are white. I never get sensitivity from it. Can't beat the investment. They also have a little pen one, works about the same and I use the mouthpiece thingy from the other set. I usually put it on, take a shower and then rinse. Hope that helps. |