Restore the original whiteness of your teeth and rebuild lost enamel with the regenerate enamel science advanced toothpaste an enamel building toothpaste that starts working from the first use regenerate enamel sciencetm is powered by an exclusive and clinically proven nr 5tm technology the formula acts on early invisible stages of erosion and helps to regenerate enamel by restoring its mineral content and micro hardness the unique non water based formula contains a high content of i