Quickly whiten teeth at home, even when there’s no time to plan. An unexpected dinner invite. Last-minute concert tickets. An impromptu Girls’ night out. No matter what the occasion, all you need is 1 hour to remove years of teeth stains. Their no-slip grip means the strips stay put until you take them off, allowing you to talk and even drink water while whitening your teeth. With Crest 3D Whitestrips Professional Express Teeth Whitening Kit, you’ll see whiter teeth in just 1 hour. #1 Dentist recommended at-home whitening kit brand.