Get superior cleaning power with the only brush head designed exclusively for and perfectly compatible with your Oral-B iO electric toothbrush Replacement Oral-B brush heads have bristles that change color to signal when they need to be replaced to maximize cleaning A worn brush end makes cleaning difficult by leaving behind plaque. For superior cleaning, replace the brush end when the bristles turn white Oral-B Gentle Care replacement brush heads feature up to 4,000 soft bristles for a gentle and perfect clean Oral-B is recommended by dentists worldwide Oral-B iO Gentle Care replacement brush heads combine powerful yet gentle micro-vibrations with our unique round design, inspired by dentists, for a professional cleaning experience every day. Designed exclusively for Oral-B iO electric toothbrush handles, Gentle Care brush heads remove more plaque than a regular manual toothbrush, leaving teeth clean and shiny. The Gentle Care brush head features up to 4,000 soft bristles and a protective outer edge that precisely adapts to the curvature of the teeth and protects the gums. Because dentists recommend changing the brush head every 3 months for best results, Oral-B brush heads have bristles that change color and signal when they need to be replaced. Enjoy superior cleaning power with the only replacement brush heads designed exclusively for and perfectly compatible with the Oral-B iO electric toothbrush. Required information: ÖKO control bodies: null Company address: PROCTER & GAMBLE DISTRIBUTION COMPANY