Oral-B Cross Action Clean Maximiser Refills 6 + 2 pcs are replacement heads Cross Action for Oral-B electric toothbrushes.
The rounded shape is designed to provide a tooth-by-tooth cleaning. The bristles are arranged at a 16-degree angle to effectively clean along the gum line. This tilt helps to penetrate deeper between the teeth, to break down and remove up to 100% more plaque and provide a deep clean.
Additionally, the bristles lose color to indicate that the head should be replaced.