Philips Sonicare C1 ProResults Standard Sonic Toothbrush Replacement Heads deliver a reliable, everyday clean that balances performance with value. Featuring a contoured profile that naturally adapts to the shape of teeth, it ensures consistent coverage for effective plaque removal and improved gum health. While it may not feature the multi-functionality of premium models, the C1 ProResults is a trusted classic that gets the essentials right. Its durable bristles maintain their shape over time, providing up to three months of optimal performance. Designed to fit seamlessly with a wide range of Sonicare handles, it’s an excellent choice for those who want dependable cleaning without unnecessary extras—simple, effective, and trustworthy.