Floss-Tip Bristles (This brush does not replace flossing). 4X deeper reach (Below the gumline compared to an ordinary flat trim toothbrush). Cheek & tongue. For a healthier whole mouth clean! (vs. a flat-trim toothbrush) 1. Regular bristles vs. purple-ended. 2. These purple-ended bristles gently reach deep between teeth and along the gumline. Use along with: Colgate Total Advanced. Dentists & Hygienists Recommend: Flossing daily; brushing at least twice a day; replacing your toothbrush every 3 months; cleaning tongue to remove bacteria. Turning off your water while brushing your teeth can save up to 4 gallons of water each time you brush! Made in Switzerland.