Philips Sonicare DiamondClean 8500 HX8596/21 Sonic Toothbrush, 2 Pack

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Product guide

Philips Sonicare DiamondClean 8500 HX8596/21 Sonic Toothbrush, 2 Pack

Toothbrush Pack: Philips Sonicare DiamondClean 8500 HX8596/21 is a two-brush set with smart pressure feedback, on-handle controls and Bluetooth app connectivity. Its six modes and three intensities offer adjustable brushing, while the included bases differ in style. Customer feedback is positive about cleaning and design but raises concerns about battery life, durability and internal rattling.

At a glance

Smart pressure feedback uses a light ring while brushing and shows pressure guidance after a session.
Choose from Clean, Deep Clean, White, Gum Health, Sensitive and Max Care modes, each with three intensities.
The interactive handle display provides core controls. Bluetooth pairing with the Sonicare app is optional for progress tracking and tips.
The set lists two toothbrushes, two A3 All-in-One brush heads and two charging bases in different configurations.

Price

£269.99Save 55%

Reference price: ~~£599.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Two rechargeable toothbrushes and two brush heads are listed, making the set suitable for a pair of users.
Pressure guidance is available on the handle, with no smartphone required for core smart features.
Six named modes and three intensities allow users to adjust the brushing session.

Cons

Customer feedback reports inconsistent battery experience, including reports of drainage within 48 hours.
Some customer feedback raises durability concerns, including units reported broken within eight months.
Customers also report unnatural internal rattling noises.

Technical specifications

12 specifications

Identity
Brand	PHILIPS
Model	HX8596/21

Brushing and connectivity
Number of settings	18
Modes	6 modes
Intensities	3 intensities
Bluetooth	Bluetooth Connectivity
Bristle movements	62,000 bristle movements per minute

Dimensions and installation
Weight listed	0.82 Kilograms

Materials and use
Handle material	Plastic
Age range	Adult
Operation mode	Automatic
Colour	Black White

What to know before buying

Listing details to confirm

The claimed 20x plaque removal and up to 15x healthier gums are comparisons with a manual toothbrush, while the gum claim is specified for Clean mode over six weeks. The up to 100% stain-removal claim is for less than two days. These are manufacturer claims, not independent measurements.

What’s in the box

Included

2 DiamondClean 8500 rechargeable sonic toothbrushes
2 A3 All-in-One brush heads
1 charging base with glass
1 charging base with stand

Who is it for?

A good fit for

Couples or households wanting two handles and two included brush heads.
People who want visible pressure guidance and selectable modes and intensities on the handle.
Users interested in optional app-based brushing progress tracking.

Less suited to

Buyers prioritising a simple, low-cost toothbrush without app connectivity or numerous controls.
Anyone unwilling to accept customer-reported concerns about battery experience, durability or internal noise.

Philips Sonicare DiamondClean 8500 HX8596/21 Sonic Toothbrush, 2 Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 7,231 ratings

5 stars67%67%
4 stars10%10%
3 stars3%3%
2 stars4%4%
1 star16%16%

Customer feedback highlights cleaning performance and design, particularly the charging base. Battery experience is mixed, with some reporting good life and others saying it drains within 48 hours. Reports also raise durability concerns, including units breaking within eight months, and mention unnatural internal rattling. Customers disagree about whether the product is worth its price. These are reported experiences, not confirmed product-wide outcomes. The set's two bases and feature-rich controls may suit buyers who value those details, but the feedback makes reliability worth considering.

Positive themes

Customers report that the toothbrush cleans teeth very well.
Customers appreciate the design, particularly the charging base.

Negative themes

Customer feedback includes reports of units breaking within eight months.
Some customers report unnatural internal rattling noises.

Mixed feedback

Battery-life feedback varies, with reports ranging from good performance to drainage within 48 hours.
Customers disagree about whether the toothbrush is worth the price.

Frequently asked questions

Does the set include two toothbrushes?

Yes. The listed contents specify two rechargeable DiamondClean 8500 toothbrushes and two A3 All-in-One brush heads.

Does using the toothbrush require the Sonicare app?

No. The listing says core smart features are available on the handle. Bluetooth connection to the app is optional for syncing, progress tracking and tips.

What brushing options does it offer?

The listing describes six modes and three intensities, or 18 combinations in total.

What charging accessories are listed?

The contents specify one charging base with glass and one charging base with stand.