Misc: Strengthen & replenish. Strengthens enamel 4x better (Strengthens enamel 4x better vs. ordinary fluoride toothpaste after 3 applications in an in-mouth study). Helps replenish natural calcium. Did you know? Enamel is the first line of defense for your teeth. But daily eating and drinking can leave enamel rough and weak. Use Colgate Enamel Health toothpaste twice a day for stronger, healthy enamel. Touch & Feel: Acid-softened enamel is rough. Healthy enamel is smooth. Helps replenish natural calcium and other minerals back into weakened enamel, filling in rough spots and making it stronger. Stronger: Contains active fluoride to help replenish natural calcium back into weakened enamel to strengthen teeth. Smoother: Polishes roughened enamel with gentle micro-polishing action so germs are less likely to stick. Healthy enamel. Save water. www.colgate.com/savewater. Turning off our water while brushing your teeth can save up to 4 gallons of water each time you brush! SmartLabel: Visit smartlabel.colgate.com for ingredient information. Gluten free. www.colgateenamelhealth.com.