Advanced Vivid Whitestrips give you a dramatically whiter smile in just 14 days. In fact, you'll start seeing results in just 3 days. Advanced Seal technology provides a form fit, no slip grip that molds and adheres to your teeth for a better whitening experience. You can even drink water while wearing Whitestrips with Advanced Seal technology. Enamel Safe: All Crest 3D White Whitestrips use the same enamel safe whitening ingredient as the dentist. Add Crest 3D White Whitestrips Advanced Vivid to your oral care routine for: Apply once a day for 30 minutes, start seeing results in just 3 days. Advanced SealTM Technology no-slip grip stays put so you can talk and drink water while whitening teeth. Dramatically Whiter Smile. Uses the same enamel-safe teeth whitening agent dentists use. For level 3 whitening on teeth whitening meter.