Crest 3D Whitestrips with Light, Teeth Whitening Strip Kit, 20 Strips (10 Count Pack)

Crest 3D Whitestrips with Light's unique blue light system uses the same type of light technology dentists use. The blue light weakens stains so that the whitening ingredient can work more effectively. The result is dramatically better whitening compared to strips alone. #1 Dentist recommended at home whitening kit brand.