Sonicare Diamondclean Smart 9300 Electric Toothbrush Black HX9903/15 with App and Pressure Sensor
Philips Sonicare Diamondclean Smart 9300 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, Black, Model HX9903/15
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Philips Sonicare Diamondclean Smart 9300 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, Black, Model HX9903/15

183 ratings
Philips Sonicare Diamondclean Smart 9300 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, Black, Model HX9903/15Philips Sonicare DiamondClean Smart 9300 Electric Toothbrush Sonic Toothbrush App Pressure Sensor Brush Head Detection 4 Brushing Modes 3 Intensity LPhilips Sonicare DiamondClean Smart 9300 Electric Toothbrush Sonic Toothbrush App Pressure Sensor Brush Head Detection 4 Brushing Modes 3 Intensity LPhilips Sonicare DiamondClean Smart 9300 Electric Toothbrush Sonic Toothbrush App Pressure Sensor Brush Head Detection 4 Brushing Modes 3 Intensity LPhilips Sonicare DiamondClean Smart 9300 Electric Toothbrush Sonic Toothbrush App Pressure Sensor Brush Head Detection 4 Brushing Modes 3 Intensity LPhilips Sonicare DiamondClean Smart 9300 Rechargeable Electric Power Toothbrush White HX9903 05
Actual ColorBlack

Key item features

  • Advanced sonic toothbrush for improved oral health: up to 20x more plaque removal vs. a manual toothbrush, up to 15x healthier gums¹, and up to 100% less stains²
  • Personalize your brushing with this innovative electric toothbrush: choose from 4 brushing modes and 3 intensity levels to meet your oral healthcare goals
  • Real-time feedback: the light ring on the end of your handle will flash if you use too much pressure, reminding you to ease off the pressure and protect your teeth and gums
  • Personalized guidance: connect your toothbrush to the Philips Sonicare app and receive personalized brushing guidance to maintain and improve your brushing habits
  • #1 dental professional recommended sonic toothbrush brand worldwide³: benefit from Philips expertise to keep your teeth and gums in the best condition

About this item

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Customer ratings & reviews

3.8 out of 5 stars
stars
183 ratings145 reviews
How item rating is calculated
  1. 5 stars63% (116)
  2. 4 stars9% (17)
  3. 3 stars7% (13)
  4. 2 stars5% (10)
  5. 1 star15% (27)

Reviews summary

Pros

  • : Provides a detailed cleaning experience.
  • : Does not cause damage or irritation during use.
  • : Lasts around 1-2 weeks on a single charge.
  • : Provides guided brushing and tracking features.

Neutral

  • : Can be convenient, but also slow and unreliable.
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Showing 1-3 of 145 reviews

Jun 23, 2026
Reviewer name: Dee-Dee 28
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

A toothbrush supports Periodontal Disaease

[This review was collected as part of a promotion.] The DiamondClean Smart 9300 has truly impressed me with its powerful cleaning performance. Its C3 replacement brush head removes plaque effectively and leaves no residue on my teeth. The adjustable cleaning modes are well designed and easy to use, making daily brushing simple and comfortable. Because I have been diagnosed with periodontal disease, this electric toothbrush has been a real benefit to my oral‑health routine. I highly recommend the DiamondClean Smart 9300 for anyone managing periodontal disease and seeking a deeper, more effective clean.

Review from philips.com
Helpful?1ERG8YU8HSC05372917551
Jul 26, 2026
Reviewer name: Walmart customer
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

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.

Review from philips.com
Helpful?1ERG8YU8HSC05372917551
Aug 7, 2026
Reviewer name: Pickles007
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

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.

Review from philips.com
Helpful?1ERG8YU8HSC05372917551
Current price is $249.99
Price when purchased online
  • Free shipping
  • Free 90-day returns
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