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Philips Sonicare HX6921

Philips Sonicare HX6921
alaAverage 4.5

248 reviews

May, 2018

alaTest has collected and analyzed 248 reviews of Philips Sonicare HX6921. The average rating for this product is 4.5/5, compared to an average rating of 4.5/5 for other Dental Care for all reviews. Views about the size and design are overall positive. The usability and price also get good feedback, but many are less positive about the reliability.

price, usability, design, size


On average, users rate this product 89/100.

Review analysis

(Based on 248 reviews)

User Reviews  

Showing 109 review(s)

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Showing 1 - 10 of 109 Show Reviews: in English | in other languages (139)

Consumer review (

Excellent Product


I had an electric toothbrush that lasted almost ten years, which was the same brand. It still worked but would hold a charge long enough to stay running even thirty seconds. I was very impressed with this brand and after research on the current options...

Feb, 2016

Consumer review (

Great Buy


My dentist recommended a Sonicare device to help target hard to reach areas that are neglected by conventional brushing. You can really FEEL the difference after brushing...that fresh from the dentist smoothness. The different settings really make for...

Feb, 2016

Consumer review (

Excellent, just what I needed.


I occasionally have mouth sores due to medications. Being able to adjust the toothbrush accordingly is a blessing for me. I am extremely pleased with this item.

Jan, 2016

Consumer review (

The cost of item was excessive.


Will find out if the cost of the item was worth the over all health improvement of my teeth. Also how long the item last and care of which the item will need to last. again I find the cost excessive.

Jan, 2016

Consumer review (

Clean teeth


Bought this as a replacement for one I got at Costco. It died this one hasn't. Got the protection plan just incase.

Jan, 2016

Consumer review (

Great Christmas Gift


I gave this toothbrush to my sister as a christmas gift. She absolutely loves it and never wants to use a manual brush again.

Jan, 2016

Consumer review (

Overall terrific product


Again, a great product. The only reason that I did not give it a max of 5 stars is because the "other" settings/speeds do not seem to be that different from the base setting.

Jan, 2016

Consumer review (



Dentist recommended this to me for my periodontal disease. LOVE IT!!!

Dec, 2015

Consumer review (

Why use anything else?


I pondered over this thing in the store for almost an hour trying to justify the price even with it being on sale! But I'm glad I did I will never use a regular toothbrush again this thing is amazing the feeling of clean is that of a dentist cleaning...

Dec, 2015

Consumer review (

What More Could You Need?


This toothbrush has changed my life. I never thought I would say that. It gets my teeth SO clean every single time. It holds a charge for a very long time so I don't need to have it sitting on the charging dock on my sink and clutter it up. My husband...

Dec, 2015

Product Specifications

Energy Management

AC input voltage:110-220
Battery life (max):504
Battery Technology:Lithium-Ion (Li-Ion)
Battery Type:Built-In
Charging base: Yes
Power Source:AC/Battery
Rechargeable battery: Yes


Bluetooth: No


Indication light: Yes
LED Indicators: Yes
Recharge indicator: Yes

Packaging Content

Brush heads included:1
Flosser included:N
Number of brush heads included:1
Number of handles included:1
Travel case: Yes


AC input voltage:110-220
Battery life (max):504
Battery Technology:Lithium-Ion (Li-Ion)
Battery Type:Built-In
Charging base:Y
Power Source:AC/Battery
Rechargeable battery:Y

Technical Details

Adjustable speed:No / Yes
Color of product:Green, White / White
Display included: Yes
FlexCare handle:1
Gum Care modes:Y
Handle color:Green/White
Handle colour:Green/White
Handle(s) features:Ergonomic
Handles quantity:1
Integrated timer:Y
Massage modes:Y
Number of teeth brushing modes:5
Refresh modes:Y
Sensitive modes:Y
Teeth brushing modes:Daily care, Gum care, Massage, Refresh, Sensitive / Daily care, Gum care, Massage, Whitening
Timer: Yes
Toothbrush frequency (oscilations):31000
Toothbrush frequency (oscillations):31000
Toothbrush modes:Daily care, Gum care, Massage, Refresh, Sensitive / Daily care, Gum care, Massage, Whitening
Two minute timer: Yes
Type:Sonic toothbrush