Colgate Optic White Stain Fighter Clean Mint Whitening Toothpaste removes 6X more surface stains with micro-polishing action. It contains clinically proven technology to safely remove surface stains and also help prevent new stains from forming, so your teeth stay whiter longer. It has a fresh mint flavor in paste form to help freshen your breath. (*vs. ordinary non whitening toothpaste, after 2 weeks of continued use.)