Crest 3D White Supreme Flexfit Dental Whitening Kit, 21 Treatments 1 ea (Pack of 2)

[This review was collected as part of a promotion.] I have always trusted Crest whitestrips and these are no different. I do prefer the Express ones that should be taken off after 30 minutes and these require 60, but that's just because I like snacks. This is a 3-week course but I don't have 30 years of stains to remove, so I have been using for maintenance. Be warned that these will make your teeth sensitive, so make sure you're brushing with a sensitivity-reducing toothpaste before and after using these!

[This review was collected as part of a promotion.] Being an avid coffee drinker, I notice my teeth aren't as white as I'd like them to be. The first photo is before I used the strips, the second photo is after only about 5 days used. These work miracles. In such a short amount of time my teeth whitened tremendously it's crazy to me. They are packaged in a cool box with instructions you can understand. Once I run out I'll definitely purchase more. These are golden. Plus they are cheaper than professional teeth whiteners. Bonus!!!!!!