10 Teeth-Whitening Kits That Actually Work

Colgate Optic White ComfortFit Teeth Whitening Kit ($50)

The Colgate Optic White ComfortFit Teeth Whitening Kit comes with the bestselling teeth whitening pen, as well as an LED light tray that utilizes purple-wave light. The LED light is bendable and flexible, so you can mold it to the shape of your smile to ensure uniform teeth whitening. This promises to show results in just three days, and the treatment time is only 10 minutes long. You get results fast without the tooth sensitivity.