Looking for an at-home teeth whitening treatment designed for teeth sensitive to whitening? Choose Crest 3DWhitestrips Sensitive from the #1 dentist-recommended at-home teeth whitening brand, Crest. Crest 3DWhitestrips Sensitive is accepted by the American Dental Assocation for safety and effectiveness. It's specially formulated for teeth sensitive to whitening, using the same enamel-safe whitening ingredient that dentists use. You can get a brighter, whiter smile in just 2 weeks, 100% guaranteed. Plus, a comfortable, no-slip grip helps the whitening strips stay put, so you can talk and drink water while whitening your teeth. Simply apply Crest 3DWhitestrips Sensitive for 30 minutes a day for 14 days. This teeth whitening kit includes 28 teeth whitening strips, 14 for your top teeth and 14 for your bottom teeth.