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.
1. Stretch & Apply upper & lower strips for 1 hour (do not remove). 2. Place light against strips for 5 minutes, then remove light and strips. 3. Reveal your whiter smile. Do not eat, smoke, sleep, or drink (with the exception of water) during use.
Precautions: Keep out of reach of young children. Not intended for use in children under the age of 18. Do not swallow plastic strip. Crest 3D Whitestrips is not a substitute for regular dental care. Visit your dentist regularly.