Designed for those with teeth sensitive to whitening, Crest 3DWhitestrips Gentle teeth whitening treatments deliver effective results while being gentle on your enamel. With just 30 minutes a day, this at-home teeth whitening kit safely removes 15 years of stains in 2 weeks. Made by Canada's #1 whitening brand*, Crest 3DWhitestrips use the same enamel-safe whitening ingredient as dentists and feature a comfortable, no-slip grip technology that keeps the strips in place. Simply apply Crest 3DWhitestrips Gentle treatments for 30 minutes a day for 14 days and get a noticeably whiter smile, 100% guaranteed. This pack includes 28 teeth whitening strips, 14 for your top teeth and 14 for your bottom teeth. *P&G calculation based on Canada reported sales data for year ending w/o 3/29/2025