Crest Whitestrips are thin, flexible strips that are coated with a tooth whitening gel containing hydrogen peroxide, our dentists use for tooth whitening. Designed to conform the shape of your teeth, by keeping the whitening gel in place against your teeth to get at stain build-up on and below the tooth's surface

It is proven to be safe when used as directed. It is said to be most effective on yellow and heavily stained teeth. There are no eating or drinking restrictions after using Crest Whitestrips.