The world's best-selling Opalescence Whitening Toothpaste is excellent for anyone looking to maintain brilliantly white teeth. Its special formulation enhances the fluoride absorption of the enamel while effectively removing surface stains from coffee and tea, despite its low abrasiveness to the teeth. The popular Opalescence toothpaste contains the scientifically proven optimal concentration of 0.25% sodium fluoride, which corresponds to approximately 1,100 ppm fluoride ions. With gentle removal of accumulated deposits, your teeth can become up to two shades lighter within a month. Additionally, the Opalescence Whitening Toothpaste reduces gingivitis and is gentle on tooth enamel.