Get a brighter, whiter smile in just 3 days with Crest 3DWhitestrips 3 Day Brightener. Made by Canada's #1 whitening brand*, this 30-minute at-home teeth whitening kit makes it easy to whiten your teeth without having to leave the house. Plus, the comfortable, no-slip grip technology helps the strips stay put, allowing you to talk and even drink water while whitening your teeth. Crest 3DWhitestrips use the same enamel-safe whitening ingredient as dentists, giving you a noticeably whiter smile, 100% guaranteed. Simply apply Crest 3DWhitestrips 3 Day Brightener treatments for 30 minutes a day for 3 days. This pack includes 6 teeth whitening strips, 3 for your top teeth and 3 for your bottom teeth. *P&G calculation based on Canada reported sales data for year ending w/o 3/29/2025