Colgate Proclinical Sensitive Battery Powered Toothbrush Refill are sonic electric toothbrush heads that fit any Colgate pro clinical toothbrush. It helps to clean sensitive teeth and gums smoothly. | Uses: It is a replaceable brush head with soft tapered bristles that provides 5X plaque removal and comes with a tongue cleaner It uses sonic vibrations to clean in between the teeth and other hard-to-reach places | Product Specifications and Features: It provides 5X plague removal It produces sonic vibrations of 20,000 strokes per minute to clean the teeth thoroughly It fits any Colgate pro clinical toothbrush It comes with soft bristles that help gently clean along the gum line It has a tongue and cheek cleaner that helps remove the odour-causing bacteria | Directions For Use: Use as directed on the label | Safety Information: Read the label carefully before use Store in a cool and dry place, away from sunlight For external use only