Gentle bristles. Compact head. 48% softer bristles for sensitive teeth & gums (vs. an ordinary soft manual toothbrush). For a healthier whole mouth clean (vs. a flat-trim toothbrush)! Extra soft cleaning bristles. 1. Gentle bristles for sensitive teeth & gums. 2. Unique cheek and tongue cleaner removes over 96% more bacteria (vs. a flat-trim toothbrush). Turning off your water while brushing your teeth can save up to 4 gallons of water each time you brush! Made in Switzerland.