Philips Sonicare 4100 Series Electric Toothbrush, HX4044/41

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Product guide

Philips Sonicare 4100 Series Electric Toothbrush, HX4044/41

HX4044: The Philips Sonicare 4100 Series electric toothbrush is listed with a pressure sensor, four brushing settings and a travel case. Its two modes and two intensity levels provide a choice between Gentle and Clean, while the timer prompts a two-minute session. Check the model and kit details carefully because the listing identifies different model numbers and gives differing brush-head descriptions.

At a glance

Pressure feedback is described as gentle vibrations when excessive force is detected, so the user can ease off.
Two brushing modes and two intensity levels are listed, with EasyStart increasing power gradually over the first 14 cleans.
BrushPacer prompts a change of area every 30 seconds and SmarTimer signals at two minutes.
The listing claims up to 21 days per charge, but the usage basis is regular brushing and the description specifies standard mode, two minutes twice daily.

Price

£49.99Save 52%

Reference price: ~~£104.99~~

Price checked: 12 Nov 2026

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Often bought together

Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor, 4 Brushing Settings, EasyStart, Sma

£47.69

Pros and cons

Pros

Multiple combinations of two modes and two intensity levels allow some adjustment to brushing feel.
Pressure sensing and timed prompts give practical technique cues during a session.
The claimed travel case and up-to-21-day runtime may suit trips, subject to confirming the selected kit.

Technical specifications

15 specifications

Identity
Brand	PHILIPS
Model	HX4021/01
Other listed model number	HX4044/41

Brushing and controls
Modes and intensity	2 brushing modes − Gentle and Clean − and 2 intensity levels
Number of settings	4
Timer	Every 30 seconds, the BrushPacer will prompt you to clean a new area; after 2 minutes, the SmarTimer will indicate your session is complete
EasyStart	Gradual, gentle increase in brushing power across your first 14 cleans
Pressure sensor	A smart optic sensor detects excessive pressure

Battery and dimensions
Claimed runtime	Up to 21 days of regular brushing after 1 full charge
Dimensions listed	26 x 25 x 240 millimetres

Brush and materials
Bristle material	Nylon
Handle material	Plastic
Item firmness description	Medium
Toothbrush head shape	Diamond Shaped
Colour	White

What to know before buying

Listing details to confirm

Listing details are inconsistent: the title and item model number give HX4044/41, while the brand/model fields give HX4021/01. The title describes four settings and a 21-day runtime, while the detailed feature copy specifies two modes and two intensity levels and the description limits its runtime claim to standard mode at two minutes twice daily. The feature copy lists two W Optimal White heads, a case and charger, but these kit contents are not established by an explicit package inventory. A separate details field describes a Diamond Shaped head. Confirm the model and included items for the selected listing.

What’s in the box

2 W Optimal White brush headsCheck selected pack
Travel caseCheck selected pack
ChargerCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Adults seeking a rechargeable sonic toothbrush with adjustable mode and intensity settings.
Users who want pressure feedback and prompts to guide a two-minute brushing routine.
Travellers who value a carrying case and a battery-life claim of up to 21 days, after confirming the kit and runtime conditions.

Less suited to

Buyers who need a single, unambiguous model number or confirmed package contents without checking the listing.

Philips Sonicare 4100 Series Electric Toothbrush, HX4044/41 · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 1,255 ratings

5 stars69%69%
4 stars17%17%
3 stars7%7%
2 stars0%0%
1 star7%7%

Customer feedback describes the toothbrush as easy to use and effective, with positive mentions of appearance and gentle vibration feedback. Reports on battery life are mixed, including both around two weeks between charges and poor charge retention. Durability and power are also described inconsistently. These experiences are relevant alongside the listing’s up-to-21-day runtime claim, which is conditional on regular use and specified standard-mode brushing. The aggregate ratings lean positive but do not establish why individual customers rated it as they did.

Positive themes

Customers report effective cleaning and ease of use.
Some customers appreciate its appearance and gentle vibration feedback.

Mixed feedback

Battery life receives mixed feedback, including reports of around two weeks between charges and reports of poor charge retention.
Durability and power receive mixed feedback.

Frequently asked questions

How many brushing modes and settings are listed?

The feature description gives two modes, Gentle and Clean, plus two intensity levels. The title calls this four brushing settings, so check the selected model details if the exact control layout matters.

How long does the battery last?

The listing claims up to 21 days after a full charge. Its product description bases this on brushing for two minutes twice daily in standard mode, so it is not an unconditional runtime.

What is included?

The feature copy claims two W Optimal White brush heads, a travel case and a charger. The listing does not provide an explicit package inventory, so confirm what comes with the selected item.

Which model is this?

The title and item model number state HX4044/41, while the model field states HX4021/01. Check which identifier applies before ordering.