so i bought a package of crest whitestrips to use. i tried one at kristen's and it was gross, but they aren't thaaat bad. only when you take them off and your teeth are all slimy. they do make the end of my tongue feel kind of burny though, hmm. i feel very good about their whitening powers. except i bought the 14-day pack and now i only have 12 ( Read more... )