Oral-B iO Toothbrush Heads Gentle Cleaning Black (Pack of 4) | Original toothbrush attachment for electric toothbrush, toothbrush heads for sensitive gums and teeth

High bristle density: Oral-B's gentle cleaning brush heads have up to 4000 soft bristles for gentle and good cleaning
COLOUR CHANGING BRISTLES: The Oral-B brush heads feature colour changing bristles that signal when the brush head should be changed for maximum cleaning performance
Replace every 3 months: a worn brush head makes cleaning difficult and leaves bacterial plaque behind. For superior cleaning, change brush head when bristles have faded to white
For Oral-B iO handpieces: superior cleaning power with the single brush head designed - and guaranteed to fit - for the Oral-B iO electric toothbrush
Dentist, inner confidence Oral-B: Oral-B is the No. 1 toothbrush brand, which is most commonly recommended by dentists worldwide