- Oral-B iO Gentle Care Replacement Heads, pack of 8 units for sensitive gums - 4,000 soft and flexible bristles that adapt to the dental curvature and protect the gums - Removes up to 100% more plaque than conventional manual toothbrushes - Wear indicator bristles: change color to signal when it's time to replace - Exclusively for Oral-B iO electric toothbrushes, ensuring compatibility and performance - Recommended by dentists, Oral-B is the preferred brand in professional oral care - Easy installation: attach the head to the handle and replace every 3 months - White color, ideal for gentle and effective daily cleaning