Carefully designed replacement heads for Sonic+ toothbrushes to deliver an effective yet gentle clean for all mouth types. Individually rounded bristles cup and lift debris from each tooth, while a silicone polishing element helps enhance surface shine. Rinse each head before first use and after every use. Dentists recommend replacing brush heads every two to three months, or sooner if bristles become frayed. Easy click push-fit makes changing heads quick and secure. Pack of 4, mint colour.