Invisible nasties lurk in your toothbrush. Change your toothbrush every 3 months. Cleaning-tip reaches and cleans back teeth. Tongue cleaner to remove odor causing bacteria. Use along with: Colgate Fluoride Toothpaste Cavity Protection. Turning off your water while brushing your teeth can save up to 4 gallons of water each time you brush. www.colgate.com. Made in China.