These genuine Philips Sonicare C2 Optimal Plaque Defence brush heads are specifically engineered to maximize cleaning performance for superior plaque removal. Featuring densely packed, high-quality bristles, these heads reach deep between teeth and along the gumline to sweep away up to 7 times more plaque than a manual toothbrush. This essential accessory is perfect for maintaining the peak performance of your Sonicare toothbrush and achieving a consistently clean, healthy smile. They are designed for replacement as part of your standard oral hygiene routine to ensure optimal effectiveness during every brushing session.