Effective and Gentle Cleaning - The bristles on these brush heads feature an innovative design that gently removes plaque. The wavy bristles adapt to your teeth for a particularly gentle clean. For a better cleaning result that's still gentle. Gentle on Teeth and Gums - This compatible Philips sensitive brush head has soft bristles for gentle and effective cleaning, providing a gentle yet effective and comfortable cleaning experience. Perfect for those who want to brush their teeth gently but effectively. Affordable – It works almost as well as the original at an affordable price. You simply get more for your money. This brush head is safe and effective for teeth and gums. Each brush head has been quality tested. Full Compatibility - Compatible with all Philips snap-on toothbrushes, Diamond Series, FlexCare, HealthyWhite, 3 series Gum Health, 2 series PlaqueControl, and Essence+ handles. For a complete list of compatible models, see the description below. Easy to install and use.