Crest Whitestrips Supreme has 100mg of gel with 14% hydrogen peroxide = 14mg of hydrogen peroxide per upper strip. Crest Whitestrips Professional has 200mg of gel with 6.5% hydrogen peroxide per upper strip. Crest Whitestrips Supreme is the most effective of the Crest Whitening Strips.
Removes 14 years of stains.
Ideal for protection against everyday stain buildup from things like coffee, tea, and wine, Crest 3D White Whitestrips Stain Shield 5 Minute Touch Ups whitening strips gradually whiten your teeth to give you whiter teeth in just five minutes, once a day. These whitestrips can also help you maintain your already white teeth.