Aquafresh's unique bristling system with wiper technology helps Clean away stains; polishes your teeth. Unique combination of bristles and rubber wipers helps clean away surface stains that can discolor teeth. Gentle on gums. Thorough cleaning for a whiter smile with regular brushing. Did you know? A new toothbrush can remove 30% more plaque than one that is 3 months old. Note: Excessive bending may break flexible neck. Made in Germany.