Price range
$280
– $293
Philips HX9923/21 Sonic Electric Toothbrush with Smart Coaching
Experience a new level of oral care with the Philips Sonicare DiamondClean Smart electric toothbrush. It connects to the Sonicare app to provide real-time coaching and track your brushing coverage, helping you improve your technique. The built-in pressure sensor alerts you when you're brushing too hard, protecting your gums and enamel. Smart brush head recognition automatically selects the optimal mode and monitors head wear. With advanced sonic technology, it removes up to 20x more plaque than a manual toothbrush and improves gum health. Customizable brushing modes let you tailor your routine, while the long-lasting battery provides up to two weeks of power, perfect for travel. Included premium brush heads ensure a thorough clean every time.
- 2 variants
- Removes up to 20x more plaque
- Color: 2 colors
Price spread
~5%
Across new variants
Customer rating
1,385 ratings
Available variants (2)
Choose a variant, then open its detail page for seller-specific information.
Pink, HX9923/21
Amazon
Available to order
- Type
- Sonic Electric Toothbrush
- Brand
- Philips Sonicare
- Model
- HX9923/21
Variant comparison
Compare prices, availability, and key variant differences in one table.
| Feature | White, DiamondClean Smart | Pink, HX9923/21 |
|---|---|---|
| Price | $292.71 | $279.99 |
| Updated | Mar 29, 2026 | May 11, 2026 |
| Availability | Available to order | Available to order |
| Type | Electric Toothbrush | Sonic Electric Toothbrush |
| Brand | Philips | Philips Sonicare |
| Model | DiamondClean Smart | HX9923/21 |
Amazon live offers
Offers updated
Top live offer
$279.99
New from
$279.99
Offer count
1+
| Seller | Condition | Price | Shipping | Updated | |
|---|---|---|---|---|---|
| Sold by Amazon FBA | New | $279.99 | Free shipping | 6/3/26 | View offer |
View all offers on Amazon
Overview
Compare Philips HX9923/21 Sonic Electric Toothbrush with Smart Coaching variants, pricing tiers and key differences.
Learn moreHow variants differ
- Type
- Brand
- Model
Who each variant is for
- Start with your budget: the visible price spread across variants is about 5%.
Reviews
4.3 / 5
from 1,385 ratings
No written reviews yet
When this device makes sense
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