Oral-B UltraThin Deep Clean toothbrush has a small 25mm head that cleans your molar area and UltraThin bristles with 0.01mm tips that reaches up to two times deeper between your teeth. It also has indicator bristles in blue which fades halfway indicating that it is time to replace your brush. Tapered bristles against regular, flat trim bristles. Based on laboratory testing.

Direction for use: Brush your teeth at least twice a day.