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Electronics_Eclectic 10.7K Views
May 19, 2026 1:08 PM

Costco Members: 9-Ct Oral-B iO Deep Clean Replacement Toothbrush Heads

$44

$55

20% off
+ $3 S&Hat Costco Wholesale
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Deal Details
Costco Wholesale has 9-Count Oral-B iO Deep Clean Replacement Toothbrush Heads (Extra Soft Bristle) on sale for $43.99 valid for Costco Members only. Shipping is $2.99.

Thanks to community member Electronics_Eclectic for finding this deal

Note, must login to your Costco account w/ an active membership to purchase (5% for Non-Member Service/Surcharge Fee)

Editor's Notes

Written by powerfuldoppler | Staff
  • Price Research
  • About the Deal
    • Brush heads is compatible w/ only Oral-B Electric Toothbrushes; extra soft bristles
    • Limit 3 per customer
    • Offer valid through June 7, 2026 or while pricing/supplies last
  • Additional Details
    • Product can be returned to any more than 800 Costco warehouses worldwide
    • If you don’t have a Costco Warehouse Membership, you can sign up here.

Original Post

Written by Electronics_Eclectic
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Costco Wholesale has 9-Count Oral-B iO Deep Clean Replacement Toothbrush Heads (Extra Soft Bristle) on sale for $43.99 valid for Costco Members only. Shipping is $2.99.

Thanks to community member Electronics_Eclectic for finding this deal

Note, must login to your Costco account w/ an active membership to purchase (5% for Non-Member Service/Surcharge Fee)

Editor's Notes

Written by powerfuldoppler | Staff
  • Price Research
  • About the Deal
    • Brush heads is compatible w/ only Oral-B Electric Toothbrushes; extra soft bristles
    • Limit 3 per customer
    • Offer valid through June 7, 2026 or while pricing/supplies last
  • Additional Details
    • Product can be returned to any more than 800 Costco warehouses worldwide
    • If you don’t have a Costco Warehouse Membership, you can sign up here.

Original Post

Written by Electronics_Eclectic

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15 Comments

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May 20, 2026 5:39 PM
144 Comments
Joined Nov 2016
TheSlickHuntMay 20, 2026 5:39 PM
144 Comments
It is a good deal but are their cheaper alternatives?
May 20, 2026 5:52 PM
3.3K Comments
Joined Dec 2010
radarsMay 20, 2026 5:52 PM
3.3K Comments
Very expensive!
2
May 20, 2026 5:53 PM
404 Comments
Joined Jul 2006
safaMay 20, 2026 5:53 PM
404 Comments
thank you
1
May 20, 2026 6:23 PM
2.5K Comments
Joined Dec 2007
bakerzdosenMay 20, 2026 6:23 PM
2.5K Comments
At $5 per, these are definitely cheaper than the Sonicare heads.

But are there people out there who actually like these? I've had my Oral-B iO brush for about 9 months now and while I've gotten a bit more used to it, I still strongly prefer Sonicare in every way except product longevity.

(Philips seems to have awful battery tech because the batteries on every Philips product I've ever owned always seem to quit charging properly after about 2-2,5 years.)
5
May 20, 2026 6:31 PM
3K Comments
Joined May 2008
Petey07May 20, 2026 6:31 PM
3K Comments
Not bad of a deal honestly. I've tried both Oral-B and Sonicare over the years, and I still personally prefer Oral-B. I know Sonicare has a huge following, but something about the spinning/oscillating brush head on the Oral-B just feels like it cleans better for me compared to the Sonicare vibration style.
With Sonicare, it always felt like I was just holding a vibrating toothbrush against my teeth, while the Oral-B actually feels like it's scrubbing and polishing each tooth. My teeth feel noticeably smoother afterward too. Probably just personal preference, but I always end up going back to Oral-B.

I need to see if they have in-store sale, since it's a bit cheaper.
May 20, 2026 6:35 PM
89 Comments
Joined Jun 2010
spaceman_spiff19May 20, 2026 6:35 PM
89 Comments
Quote from bakerzdosen View quoted comment :
At $5 per, these are definitely cheaper than the Sonicare heads.But are there people out there who actually like these? I've had my Oral-B iO brush for about 9 months now and while I've gotten a bit more used to it, I still strongly prefer Sonicare in every way except product longevity.(Philips seems to have awful battery tech because the batteries on every Philips product I've ever owned always seem to quit charging properly after about 2-2,5 years.)
I bought one of these a year or two ago and hate it. This is going to sound totally wack, but the shaft of the heads is too thick, and I end up drooling toothpaste all down my arm. I like the skinnier Sonicare brushes/heads wayyy more and will be going back after I run out of these stupid IO heads.
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May 20, 2026 6:47 PM
623 Comments
Joined Nov 2007
USFishinMay 20, 2026 6:47 PM
623 Comments
Quote from spaceman_spiff19 View quoted comment :
I bought one of these a year or two ago and hate it. This is going to sound totally wack, but the shaft of the heads is too thick, and I end up drooling toothpaste all down my arm. I like the skinnier Sonicare brushes/heads wayyy more and will be going back after I run out of these stupid IO heads.
LOL, I thought the same thing coming from a Sonicare. I had it for like 20 years and figured it was time to replace the unit (I've replaced the brush heads many times). I think I like the Oral B better but I don't like how thick the shaft is (that's what she said).
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May 20, 2026 7:05 PM
747 Comments
Joined Sep 2005
VikrodaMay 20, 2026 7:05 PM
747 Comments
Also mold is likely to grow in the io heads. Never had a mold problem with the older (thinner) oral-b heads or on the sonicare heads. It's easier to detect the black mold on the white heads, but once there's enough mold it will slough off during routine brushing... I've tried weekly peroxide or listerine soaking but the only thing that seemed to help was using one of those air blasters to dry the inside after using.
1
May 20, 2026 9:13 PM
89 Comments
Joined Mar 2016
ocaMay 20, 2026 9:13 PM
89 Comments
Quote from TheSlickHunt View quoted comment :
It is a good deal but are their cheaper alternatives?
Open box in ebay
May 20, 2026 9:17 PM
65 Comments
Joined Oct 2015
unphasedMay 20, 2026 9:17 PM
65 Comments
Quote from Vikroda View quoted comment :
Also mold is likely to grow in the io heads. Never had a mold problem with the older (thinner) oral-b heads or on the sonicare heads. It's easier to detect the black mold on the white heads, but once there's enough mold it will slough off during routine brushing... I've tried weekly peroxide or listerine soaking but the only thing that seemed to help was using one of those air blasters to dry the inside after using.
The function, feel, and battery life of the new design is better but it's true the drainage is inferior and leads to this.
They do tell you to rinse the thing once youre done, and that def works. Good luck convincing your family members to bother to do it though...
debating if i want a NINE pack, that would last me like 5 years
2
May 20, 2026 9:23 PM
7.8K Comments
Joined Oct 2008
RumbleTheBisonMay 20, 2026 9:23 PM
7.8K Comments
Quote from spaceman_spiff19 View quoted comment :
I bought one of these a year or two ago and hate it. This is going to sound totally wack, but the shaft of the heads is too thick, and I end up drooling toothpaste all down my arm. I like the skinnier Sonicare brushes/heads wayyy more and will be going back after I run out of these stupid IO heads.
I too noticed I was drooling using this toothbrush head. Prior Oral-B heads were smaller than this so I didn't have such issues. My toothbrush broke though so I thought it was a good time to try one of the new Oral-B toothbrushes w/that head. It was stupid brushing my teeth and noticing a dribble. I thought it was just me until I did a web search and saw others who reported the same thing.

I went over to Sonicare afterwards
1
May 20, 2026 9:32 PM
88 Comments
Joined Dec 2014
steven1046May 20, 2026 9:32 PM
88 Comments
Quote from bakerzdosen View quoted comment :
At $5 per, these are definitely cheaper than the Sonicare heads.

But are there people out there who actually like these? I've had my Oral-B iO brush for about 9 months now and while I've gotten a bit more used to it, I still strongly prefer Sonicare in every way except product longevity.

(Philips seems to have awful battery tech because the batteries on every Philips product I've ever owned always seem to quit charging properly after about 2-2,5 years.)
Why do you like Sonicare more?
May 20, 2026 10:39 PM
270 Comments
Joined Feb 2008
back2basicsMay 20, 2026 10:39 PM
270 Comments
I've always used these named brand OralB ones and my Dental hygienist says I do a good job keeping teeth clean every 6 months. Though I'm tempted, I've heard 3rd party knock off's on Amazon can be had for $1 and just as good. Has anyone tried them?
1
May 20, 2026 10:47 PM
492 Comments
Joined Feb 2008
nuugMay 20, 2026 10:47 PM
492 Comments
Quote from oca View quoted comment :
Open box in ebay
used on craigslist
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May 21, 2026 4:13 AM
25 Comments
Joined Sep 2007
tamara8264May 21, 2026 4:13 AM
25 Comments
Quote from Vikroda View quoted comment :
Also mold is likely to grow in the io heads. Never had a mold problem with the older (thinner) oral-b heads or on the sonicare heads. It's easier to detect the black mold on the white heads, but once there's enough mold it will slough off during routine brushing... I've tried weekly peroxide or listerine soaking but the only thing that seemed to help was using one of those air blasters to dry the inside after using.
I use my waterpik to clean the head and handle. works wonders!

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