Enamel safe. Removes 5x more surface stains (Vs. ordinary, non whitening toothpaste after two weeks of continued use) with micro-polishing action. Micro-polishing action safety removes surfaces stains. Removes 5x more surface stains (Vs. ordinary, non whitening toothpaste after two weeks of continued use). Save water. Turn off the tap while brushing. Recycle Tube. Learn more at www.colgate.com/goodness.