The Oral B io series combines powerful, but gentle micro-vibrations with Oral B’s unique dentist-inspired round brush head design for a professional clean feeling every day. The Oral-B iO GENTLE Care brush is specially designed for gentle and effective cleaning on sensitive areas and gums. Dentists recommend changing your toothbrush head every 3 months for best results.

Highlights:

• Gentle care adapts precisely to the curvature of the tooth and gum line for a gentle and effective cleaning

This refill is only compatible with the iO range.