Whitens 25X better than a leading teeth whitening toothpaste when toothpaste is used for 4 weeks;Advanced Seal Technology's no slip grip stays put so you can talk and drink water while whitening teeth;The strip molds to the shape of your teeth and comes off cleanly;Use once a day for 30 minutes;Uses the same enamel-safe teeth whitening ingredients dentists use

• CREST 3D ADVANCED VIVID WHITESTRIPS WITH ADVANCED SEAL 50% MORE - 21 TREATMENTS
• 21 Treatments

CREST 3D ADVANCED VIVID WHITESTRIPS WITH ADVANCED SEAL 50% MORE - 21 TREATMENTSCrest