Get visibly whiter teeth in just 30 minutes a day with Crest 3D Whitestrips Vivid White. With just 30 minutes a day for 12 days, you can remove years of staining. Crest 3D White Whitestrips Classic Vivid make it easy to whiten teeth and reveal a brighter smile. It uses the same enamel-safe whitening ingredient as dentists use and is a home whitening kit brand. For teeth sensitive to whitening, effects are generally mild. If sensitivity or gum discomfort develops, stop usage for 2 days and then resume usage. Strips will not whiten caps, crowns, veneers, fillings or dentures.