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Reviews Philips Sonicare 9000 DiamondClean HX9911/89

Interested in reviews of Philips Sonicare 9000 DiamondClean HX9911/89? It got 4.8 out of 5 stars from our customers. Find specific customer reviews of Philips Sonicare 9000 DiamondClean HX9911/89 below. We will appreciate if you also share your experiences with Philips Sonicare 9000 DiamondClean HX9911/89 after purchasing.
Philips Sonicare 9000 DiamondClean HX9911/89 - Electric Toothbrush
Philips Sonicare 9000 DiamondClean HX9911/89
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Milada, Říčanyflag
Rated 11/01/2026, variant Philips Sonicare 9000 DiamondClean HX9911/89
Verified purchase - review from a price comparison website
Bought for my wife as a Christmas present. We have never had an electric toothbrush before and I was quite worried that it would be an inappropriate gift, but it really surprised and delighted, we both use it and it is really luxurious. If you have never had an electric toothbrush, you will be very pleasantly surprised. I am glad I chose this model. I recommend it! Money best invested. Even the dentist complimented me.
Modern design
Beautiful metallic colour
Comfortable in the hand
Long battery life
Practical stand
Luxuriously cleans
Teeth are as smooth and clean as ever
Simple control
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Petr, Praha 5flag
Rated 12/12/2025, variant Philips Sonicare 9000 DiamondClean HX9911/89
Verified purchase
excellent cleaning
rich selection of modes and 3 intensities
long life
a crappy travel case that does not at all correspond to a toothbrush of this category, a piece of cheap plastic molding without charging. Charging cup also, here Philips should improve a lot to not give the impression that it is disposable. In the set of the same toothbrush with shower is a perfect case and a charging glass. I was very disappointed by this, Philips can do it, but they are pointlessly saving in the wrong place.
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Tomáš, Praha 8 - Libeňflag
Rated 04/09/2025, variant Philips Sonicare 9000 DiamondClean HX9911/89
Verified purchase
Terrible experience - the product is very unfriendly to the gums. Poor quality hard bristles even on supposedly premium heads. TAKE CARE! - Cannot be returned within the 14-day statutory period if you unpack the product. I definitely do not recommend not to buy - a great advertising massage, but the product does not match it at all.
Poor quality heads (hard bristles)
Non-functional mods - everything vibrates the same without any difference
The cleaning process is very unpleasant
Quality of workmanship as from the Vietnamese market, housing piece of plastic, vachrlatý stand, on the brush itself constantly flashing all diodes
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Iva, Klecanyflag
Rated 09/08/2025, variant Philips Sonicare 9000 DiamondClean HX9911/89
Verified purchase - review from a price comparison website
GREAT product
pressure detection behind the teeth
2 additional heads in the package
inadequate price for the toothbrush case, an ordinary piece of plastic
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Martin, Praha 9flag
Rated 27/03/2025, variant Philips Sonicare 9000 DiamondClean HX9911/89
Verified purchase
gentle on the gums (compared to the older round toothbrush)
cleans well
lovely design
unpleasant sound when cleaning
somewhat impractical stand
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Jan, Praha 15 Hostivarflag
Rated 29/08/2026, variant Philips Sonicare 9000 DiamondClean HX9911/88
Verified purchase
I've been using Philips Sonicare for several years now, and for me, it's probably the best toothbrush compared to the competition. I can't recommend it enough. The only problem I see is that with the DiamondClean, you get an induction charger with a sort of plastic cup, so it's not compatible with the non-DiamondClean travel charger that has the pin. Personally, this really bothers me. For travelling, you just take the charging pin and put it on, whereas the DiamondClean doesn't have the option to use the charger for the non-DiamondClean version. Be aware of this.
I don't have to go for a dental hygiene appointment
Philips knows how to do this.
A normal toothbrush won't get your teeth this smooth.
compared to the non-diamond versions, the charger is quite awkward
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Zdeňka, Roztokyflag
Rated 28/08/2026, variant Philips Sonicare 9000 DiamondClean HX9911/79
Verified purchase - review from a price comparison website
I recommend
Quality toothbrush
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Marcela, Brnoflag
Rated 28/08/2026, variant Philips Sonicare 9000 DiamondClean HX9911/88
Verified purchase
The sonic toothbrush from Philips is just brilliant, you won't want another. Just two days on a business trip, travelling light with a regular toothbrush, and you can really tell the difference. After coming home to the Philips, my teeth are happy and I feel great and fresh. I can't imagine going on holiday without it!
Good battery life from a single charge, used at least 3-4 times a day.
Unfortunately, this is the second time I've had to make a complaint. After a few months, the buttons for selecting the cleaning mode and intensity froze, so the brush could only be switched on/off. It's a great shame for such a fantastic product; this recurring fault is ruining the Philips brand's reputation. Hopefully, the second complaint will be resolved to my satisfaction soon. For the first complaint, Alza exchanged it for a completely new package without any fuss! Although I'm listing it under minuses here, I rate that as a plus :-)!
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Stanislav, Poděbradyflag
Rated 20/07/2026, variant Philips Sonicare 9000 DiamondClean HX9911/88
Verified purchase - review from a price comparison website
I’d recommend both this one and Philips, but the price and durability just don’t go hand in hand. That’s a big problem.
Design
It still works with the glass and case from the set I bought five years ago.
It lasts a whole week with daily use.
Price
The maximum service life of the mechanism is two and a half years. It’s worth registering on Philips.cz to get an extra year’s warranty.
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Michal, Luby u Chebuflag
Rated 09/06/2026, variant Philips Sonicare 9000 DiamondClean HX9911/88
Verified purchase - review from a price comparison website
It's okay.
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