Easy compatibility
Our iO Ultimate Clean replacement heads are made exclusively for Oral-B iO toothbrushes.
FAQ
Quick answers
Useful answers about our products, compatibility, delivery and returns, with direct help from Onyx when you need it.
Delivery
Free UK delivery from £50, a £4.99 saving, sent by Royal Mail Tracked 24. Order before 4pm on a working day and we dispatch it the same day.
Bundle value
Choose the £180 Sensitive Teeth or Total Protection bundle. Each includes the iO9, four Ultimate Clean heads and the named Biorepair Plus toothpaste, saving £11.98.
Who chooses the Onyx product selection?
Our team of professional private dentists, with more than 100 years of combined experience. We focus on products we would genuinely recommend to our own clients.
What is included in the £180 bundle?
One Oral-B iO9 Black Onyx electric toothbrush, four black iO Ultimate Clean replacement heads and your choice of Biorepair Plus Sensitive Teeth or Total Protection toothpaste. Buying separately totals £191.98, so the bundle saves £11.98.
Do the replacement heads fit every Oral-B toothbrush?
No. The Ultimate Clean heads in our edit are made exclusively for Oral-B iO toothbrushes. Look for ‘iO’ in your toothbrush model name.
Are the Biorepair Plus toothpastes fluoride-free?
Yes. Sensitive Teeth and Total Protection are fluoride-free formulas featuring Biorepair's patented microRepair® zinc-hydroxyapatite technology.
How much is delivery?
UK delivery is free on orders from £50, a £4.99 saving, and goes by Royal Mail Tracked 24. Order before 4pm on a working day and we dispatch it the same day. We also deliver to the EU for £14.99 and further afield for £23.99, and the cost for your address is shown before you pay. Your £50 is counted after any discount code.