Get 10X whiter teeth* with Colgate Optic White Renewal teeth whitening toothpaste. With a patented 3% hydrogen peroxide formula which deeply whitens beyond surface stains, this hydrogen peroxide toothpaste not only removes surface stains, but also can penetrate to work below the tooth surface. Enamel-safe for daily use, add this Colgate whitening enamel toothpaste to your oral care routine for teeth whitening. *vs. a fluoride toothpaste without hydrogen peroxide, after 4 weeks of use as directed.