Crest 3D Whitestrips 1 Week Smile Transformation (Formily Crest 3D Whitestrips Glamorous White) A Whiter Smile in Just 7 Days Want to dramatically brighten your smile in only a week? With Crest 3D Whitestrips 1 Week Smile Transformation, you can achieve teeth that are up to 8 shades whiter in just 7 days—all from the comfort of home. Each kit provides a comfortable, no-slip whitening experience, thanks to Advanced Seal Technology, which keeps the strips securely in place so you can talk, move around, and even drink water while whitening.
