How do Crest Whitestrips teeth whitening strips work?
Crest Whitestrips system looks like very thin, elastic strips covered with a teeth whitening gel which bleaches teeth. This gel contains peroxide of hydrogen. Crest teeth whitening strips are specially created to follow the form of your teeth. They attach bleaching gel to teeth to influence the darkened enamel and deeper dentine layer. These strips allow you to use crest whitening gel at the point it is needed and its smart formula will definitely make your teeth brighter than they used to be.