Four genuine Ultimate Clean heads for consistently effective brushing.
The 16-degree angled bristles reach around each tooth and into hard-to-reach areas, helping remove up to 100% more plaque than a regular manual toothbrush, according to Oral-B. Indicator bristles fade towards white to show when replacement is due.
Four black Oral-B iO Ultimate Clean heads
Made exclusively for Oral-B iO toothbrushes (fits every iO handle, including the iO9 Black Onyx)
16-degree angled, tuft-in-tuft bristles
Indicator bristles fade to white as a visible replacement cue
Replace every three months, or sooner when worn
Specifications
Brand: Oral-B (Braun)
Type: iO Ultimate Clean replacement brush heads
Pack size: 4 heads
Colour: black
Compatibility: Oral-B iO handles only; not compatible with other Oral-B ranges
Subscribe and save 10% to keep fresh replacement heads arriving in line with the recommended three-month change.
Why it works for your routine
16-degree angled bristles
Designed to reach around each tooth and into hard-to-reach areas.
Made for Oral-B iO
Fits iO toothbrushes only, including the Black Onyx iO9.
Know when to change
Indicator bristles fade towards white. Replace every three months, or sooner when worn.
Dentist-selected oral care
Why this product earns its place
Explore the benefits, product details and practical answers that make it easy to choose with confidence.
Fresh Ultimate Clean performance, ready when you need it
Explore the angled bristles, iO-exclusive fit and simple three-month replacement cue.
Designed for hard-to-reach areas16-degree angled bristles wrap around each tooth for an iO-exclusive clean.Easy replacement cueIndicator bristles fade towards white. Replace every three months, or sooner when worn.
Four fresh heads. One easy stock-up.
Keep your iO toothbrush performing at its best with four genuine black Ultimate Clean replacement heads. The 16-degree angled bristles are designed to reach around each tooth, while colour-changing bristles make replacement timing easy to see.
Made exclusively for Oral-B iO toothbrushes.
Designed to remove up to 100% more plaque than a regular manual toothbrush.
Replace every three months, or sooner when worn.
Why buy from Onyx
Secure Shopify checkout
Fast, familiar payment through secure Shopify checkout.
Royal Mail Tracked 24
All UK orders are sent by Royal Mail Tracked 24 for £4.99, or free from £50. Order before 4pm for same-day dispatch.
Selected by dentists
Handpicked by a private-dentist team with 100+ years of combined experience.
Unopened and unused products can be returned within 30 days. For hygiene reasons, opened or used products cannot be returned unless faulty. Any applicable manufacturer warranty is in addition to your statutory rights.
Why you'll love it
Benefits, formula and compatibility in clear, useful detail.
A four-pack in Black
Four Oral-B iO Ultimate Clean replacement heads in Black, ready for planned three-month changes or a well-stocked bathroom cabinet.
Made exclusively for Oral-B iO toothbrushes
The 16-degree angled bristles are designed for Oral-B iO toothbrushes only. Indicator bristles fade towards white as a visible cue. Replace every three months, or sooner when worn.
Fresh performance every three monthsReplace your brush head every three months, or sooner when the bristles look worn.
At a glance
The benefits, compatibility and pack contents worth knowing before you buy.
Scroll the table sideways to compare all details.
Feature
This product
Why it stands out
Fits
Oral-B iO toothbrushes
Exclusive iO fit
Pack
Four black replacement heads
A convenient stock-up pack
Replacement guidance
Every three months, or sooner if worn
Indicator bristles fade towards white
Good to know
Quick answers about fit, features and what is included.
Do these heads fit every Oral-B toothbrush?
No. They are made exclusively for Oral-B iO toothbrushes. Other Oral-B ranges use different replacement heads.
How often should I replace a head?
Replace each head every three months, or sooner if the bristles are worn.
What does the bristle colour change mean?
The bristles fade towards white to provide a visible replacement cue.
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