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This product is made by Natural White, you can find this at any Dollar Tree. YES, DOLLAR TREE! I have been using this for years, it really works. You can see a difference from just one use. It comes with a flexible plastic mouth guard(whitening tray) and a tube of whitening gel. I brush my teeth before and using this product. I squeeze the gel into the top & bottom of the mouth guard, I leave the mouth guard in for 10 minutes. After 10 minutes, I remove the mouth guard and rinse it out. I also rinse my mouth a few times. I like to brush them again to make sure the gel is all gone. I do this once 1-2 weeks!