Product Description: Sensitive teeth can still experience a powerful yet gentle clean. Oral-B Ultrathin Manual toothbrush has super thin bristles that help deliver a thorough and extra soft clean. Ultrathin bristles provide gentle clean and reach deep between teeth Extra soft bristles for gentleness on gum Ergonomic handle designed for more comfort and control Oral-B, #1 toothbrush brand used by dentists worldwide How to use: Dentists recommend to brush your teeth at least twice a day for 2 minutes. Caution & Warnings: Not intended for children 3 years and under.