Philips Sonicare 7100 HX7421/08 Electric Toothbrush

Electric: The Philips Sonicare 7100 HX7421/08 is a connected sonic toothbrush with four modes, three intensity levels and pressure feedback. Its app guidance and travel charging case suit buyers who want more brushing options and a portable charging setup, though the supplied package list says the power supply is not included.

At a glance

Four brushing modes and three intensity levels provide 12 combinations for different brushing preferences.
Pressure feedback flashes purple and reduces vibration when the brush detects excessive pressure.
The app is described as providing personalised guidance and progress reports.
The listing claims up to three weeks of brushing between charges. The travel case has an integrated charger.

Price

$212.50Save 25%

Reference price: ~~$284.65~~

Price checked: 13 Nov 2026

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Often bought together

Philips Sonicare W2 Optimal White Original Replacement Brush Heads, Black, Pack of 4, HX6064/88

$53.13

Pros and cons

Pros

Multiple mode and intensity combinations allow more tailoring than a single-setting brush.
Pressure feedback gives a clear signal to ease brushing pressure.
App guidance and progress reports may help users review their routine.
A travel charging case is listed for portable charging and storage of up to two brush heads.

Cons

The described cleaning settings and app guidance may be unnecessary for buyers who want a basic electric toothbrush.

Technical specifications

16 specifications

Identity
Brand	Philips
Model	HX7421/08
Colour	Black
Age range	Adult

Brushing and controls
Total settings	12
Pressure control	Intelligent pressure control, next generation Sonicare technology, 12 different settings, 4 cleaning modes
Brushing movement	62,000 brush head movements per minute
Operation mode	Automatic
Toothbrush head shape	Oval
Bristle firmness	Medium
Bristle material	Nylon
Handle material	Plastic

Power and battery
Power configuration	ac charger
Battery runtime claim	With just one charge, you can brush your teeth regularly for up to three weeks before you need to recharge.

Dimensions and installation
Weight listed	0.43 Kilograms
Package dimensions and weight	23.4 x 17 x 6.2 cm; 432 Grams

What to know before buying

The three-week runtime is a listing claim, and the package description explicitly says the power supply is not included. Replace the brush head every 3 months, as recommended in the listing. Its plaque and gum-health improvement figures are manufacturer claims, with the plaque comparison specified for Gum Health mode and the stated comparison against a manual toothbrush.

Who is it for?

A good fit for

Adults seeking several brushing modes and intensity levels in one brush.
People who want pressure feedback and app-based brushing guidance.
Travellers who prefer a charging case and want the listing's claimed multi-week runtime.

Less suited to

Buyers who prefer a simple brush without app guidance or multiple settings.
Buyers who require an included power supply, which the listing says is not included.

Philips Sonicare 7100 HX7421/08 Electric Toothbrush · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 250 ratings

5 stars71%71%
4 stars19%19%
3 stars4%4%
2 stars3%3%
1 star3%3%

Customer feedback describes the brush as good quality and appreciates its cleaning performance, including a reported observation about plaque removal. The supplied rating distribution is mostly five- and four-star, but also includes lower ratings, so experiences are not uniformly positive. These reports may matter to buyers considering the listed cleaning modes and pressure control, but they do not establish a specific cause or independently verify the product claims.