Removes 14 years of teeth stains for a brilliantly whiter smile. Crest 3D White Luxe Professional Effects Whitestrips provide professional level whitening. Remove your teeth stains from the last 14 years in just 30 minutes a day. 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. You’ll see a whiter smile after 3 days, and full results in 20 days. Achieve professional-level teeth-whitening results without the professional price tag.