Crest 3D Whitestrips Whitening Starter Kit visibly whitens teeth in just days, brought to you by the #1 dentist-recommended at-home teeth whitening brand*. Get a brighter, whiter smile in just 10 days with Crest 3D Whitestrips Whitening Starter Kit. This 30-minute teeth whitening treatment makes it easy to whiten teeth without leaving the house. Using the same enamel-safe whitening ingredient dentists use, you can get visibly whiter teeth. Plus our comfortable, no-slip grip technology helps the whitening strips stay put, so you can talk and drink water while whitening your teeth. Simply apply Crest 3D Whitestrips Whitening Starter Kit for 30 minutes for 10 days. This pack includes 20 teeth whitening strips, 10 for your top teeth and 10 for your bottom teeth, to be used over the course of 10 days. *In a survey of over 500 dentists from Jan 12th-April 2023