Philips Sonicare 7500 Series HX7421/13 Electric Toothbrush

Electric: The Philips Sonicare 7500 Series HX7421/13 is a rechargeable sonic toothbrush with a pressure sensor, 12 brushing settings and a charging travel case. Its four modes and three intensity levels offer more adjustment than a single-mode brush, while the app and travel charging setup suit buyers who want guided routines and portable charging.

At a glance

The listing describes four modes and three intensity settings, giving 12 combinations for different brushing preferences.
A visual pressure sensor signals when brushing pressure is too high, and the BrushPacer prompts a change of area every 20 seconds.
The listing claims up to 21 days of regular brushing per charge and includes a charging travel case.
App pairing is described as providing guided brushing, tips and personalised content.

Price

£119.99Save 66%

Reference price: ~~£349.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Four modes and three intensity levels provide meaningful choice for sensitivity, whitening and gum-health routines.
The pressure alert, two-minute timer and 20-second pacing prompt support a structured brushing routine.
A charging travel case is listed alongside the USB-A charging stand, making portable charging part of the stated kit.

Technical specifications

21 specifications

Identity
Brand	PHILIPS
Model	HX7421/13
Product type	Sonic electric toothbrush
Colour	Black
Age range	Adult
Operation mode	Automatic

Brushing and connectivity
Brushing settings	12 brushing settings
Modes	Clean, Sensitive, White & Gum Health mode
Intensity levels	3 intensity settings
Pressure alert	Visual pressure sensor
BrushPacer	Every 20 seconds
SmartTimer	After 2 minutes
Brush movements	62,000 bristle movements per minute
Connectivity	Bluetooth Connectivity

Power and use
Runtime claim	up to 21 days of regular brushing after a single charge
Rechargeable	Rechargeable

Dimensions and installation
Dimensions listed	32 x 28 x 240 millimetres
Weight listed	0.38 Kilograms
Handle material	Plastic

Brush head
Included head	A3 Premium All-in-one brush head
Head shape	Oval

What to know before buying

The listing states up to 21 days of regular brushing after a charge. Actual runtime may depend on use. The USB-A charging stand is listed without a power adaptor, so a compatible power source is needed. Philips describes the brush-head plaque and gum results against a manual toothbrush, with the gum claim specified in Clean mode over six weeks.

What’s in the box

Included

Sonicare 7500 Series sonic electric toothbrush
A3 Premium All-in-one brush head (1)
Charging travel case (1)
USB-A charging stand (1)

Who is it for?

A good fit for

Adults seeking multiple brushing modes and intensity choices in one rechargeable brush.
Travellers who want a case that is described as charging the toothbrush.
Buyers who value pressure alerts, timed brushing and app-based guidance.

Less suited to

Buyers who need a power adaptor included with the USB-A charging stand.
Anyone seeking customer-comment evidence, since this listing supplies aggregate ratings but no review summary.

Philips Sonicare 7500 Series HX7421/13 Electric Toothbrush · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 46 ratings

5 stars70%70%
4 stars29%29%
3 stars0%0%
2 stars1%1%
1 star0%0%

Aggregate customer ratings lean strongly positive, with most ratings in the four- and five-star categories and a small share in the two-star category. These figures offer a generally favourable but limited signal, not explanations of customer experiences or proof of brushing performance. The listed pressure sensor, multiple settings and travel charging may matter to buyers choosing this feature-rich model, but the ratings do not establish how customers assessed those features.

Frequently asked questions

How many brushing settings does the Sonicare 7500 offer?

The listing specifies 12 settings, described as four modes combined with three intensity levels.

What is included in the stated kit?

The manufacturer contents list specifies the toothbrush, one A3 Premium All-in-one brush head, one charging travel case and one USB-A charging stand. It says the power adaptor is not included.

How long does the battery last?

Philips claims up to 21 days of regular brushing after a single charge. Treat this as a stated maximum rather than a guaranteed runtime.

Does the toothbrush connect to an app?

The listing describes Bluetooth connectivity and app pairing for guided brushing, tips and personalised content.