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Philips

Philips Sonicare DiamondClean 9300

3.8 · 147 reviews
24,425 ₽

The DiamondClean Smart is our best toothbrush, for complete care. Four high-performance brush heads let you focus on all areas of your oral health, and our Smart Sensor technology gives you personalized feedback and coaching.

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Within 30 days of delivery

The DiamondClean Smart is our best toothbrush, for complete care. Four high-performance brush heads let you focus on all areas of your oral health, and our Smart Sensor technology gives you personalized feedback and coaching.

Customer reviews

2.0
I love the brushes but the durability of the last.

[This review was collected as part of a promotion.] The 9300 I bought less than two years ago crapped out so I needed to replace it. I hope this one performs like previous ones that would last five years, not like the one it is replacing.

10/1/2026
3.0
Dislike 20 sec timer, travel case step backwards

Hate the 20 second pacing timer. Bring back option for 30 second timer! Who brushes their teeth that way, going 1/3 of the way across, switching, coming back to middle third, etc? Battery doesn't seem to last 14 days, more like 8. And new travel case is both overly large and the new built-in charging cable as less convenient than previous case that was smaller and allowed to plug in your own cable. Feels like a step backwards. Otherwise, does a great job of cleaning, and love the charging glass, so convenient.

9/28/2026
5.0

[This review was collected as part of a promotion.] My teeth are feeling so amazing after just one month of using it!

9/24/2026
2.0
Noisy!

This toothbrush works ok, but, right out of the box, it is entirely too noisy! I also have the Prestige S-IQ model from 5 years ago, and that one just hums, not the obnoxious sound that this new one makes!

9/23/2026
1.0
Extremely disappointing performance.

My experience with this toothbrush was quite terrible. It had a hard time holding a charge, the base for charging was annoying to deal with, and the actual toothbrush made a loud, unusual buzzing sound whenever I used it. Also, after I switched to the second toothbrush head, the head would not stay on when vibrating. So then I switched back to the old head, which worked for a little bit, but then I noticed that the vibration wasn’t even spinning the bristles consistently. Every time I turned on the toothbrush it would sporadically shift the amount of vibration without adjusting the settings. The power button was also designed to catch toothpaste that became difficult to clean and maintain. Even though Philips is willing to troubleshoot and try to fix some of these problems, it’s not worth the hassle. Save your time and money and buy a different toothbrush.

8/21/2026
2.0

[This review was collected as part of a promotion.] Was good while I had it but died after a year. Wouldn’t turn on again, switched out the cup charger for the stand one and still wouldn’t charge and threw it away. Went back to my oral B

8/18/2026
1.0
Designed to fail IMHO

In my opinion: Designed and engineered to fail. There is an metal angle that transmits power from the oscillating magnet to the brush head. This part is designed to fail due to metal fatigue. I have had a number of Sonicare toothbrushes fail (more than half a dozen) and this is always the failure point. Symptom is good vibration but vibration not making it through the brush head. Always outside the warranty period so Phillips Corp. will be very happy....

8/9/2026
5.0
The product has great features!

[This review was collected as part of a promotion.] I love the different settings on this toothbrush. The deep clean is my favorite.

8/7/2026
1.0
Breaks easily

I’ve been through 3 of these toothbrushes. The pin that holds the head on the base of the toothbrush gets loose with time so I’ve had to replace the toothbrush multiple times. With such an expensive toothbrush, you’d think it would be more durable.

8/3/2026
5.0
Great Toothbrush

[This review was collected as part of a promotion.] When used with the Sonicare app, you get a complete picture of how well you are brushing. Love the indication of applying too much pressure and the degree of teeth cleanliness. The handle should have had a flat surface opposite the brush head so that the handle would not easily roll over when set down on the bathroom counter.

7/26/2026