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  • Goodbye manual toothbrush. Hello Sonicare.
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  • Goodbye manual toothbrush. Hello Sonicare.
  • Goodbye manual toothbrush. Hello Sonicare.
  • Goodbye manual toothbrush. Hello Sonicare.
  • Goodbye manual toothbrush. Hello Sonicare.
  • Goodbye manual toothbrush. Hello Sonicare.
  • Goodbye manual toothbrush. Hello Sonicare.
  • Turntable image 1Turntable image 2Turntable image 3Turntable image 4Turntable image 5Turntable image 6Turntable image 7Turntable image 8Turntable image 9Turntable image 10Turntable image 11Turntable image 12Turntable image 13Turntable image 14Turntable image 15Turntable image 16Turntable image 17Turntable image 18Turntable image 19Turntable image 20Turntable image 21Turntable image 22Turntable image 23Turntable image 24Turntable image 25Turntable image 26Turntable image 27Turntable image 28Turntable image 29Turntable image 30Turntable image 31Turntable image 32Turntable image 33Turntable image 34Turntable image 35Turntable image 36Turntable image 37Turntable image 38Turntable image 39Turntable image 40Turntable image 41Turntable image 42Turntable image 43Turntable image 44Turntable image 45Turntable image 46Turntable image 47Turntable image 48Turntable image 49Turntable image 50Turntable image 51Turntable image 52Turntable image 53Turntable image 54Turntable image 55Turntable image 56Turntable image 57Turntable image 58Turntable image 59Turntable image 60Turntable image 61Turntable image 62Turntable image 63Turntable image 64Turntable image 65Turntable image 66Turntable image 67Turntable image 68Turntable image 69Turntable image 70Turntable image 71Turntable image 72
  • Goodbye manual toothbrush. Hello Sonicare.
  • Goodbye manual toothbrush. Hello Sonicare.
  • Goodbye manual toothbrush. Hello Sonicare.
  • Goodbye manual toothbrush. Hello Sonicare.
  • Goodbye manual toothbrush. Hello Sonicare.

Philips Sonicare 4100 SeriesSonic electric toothbrush

HX3681/21

HX369SR

4.3
| (3055) Reviews | 86% recommend this product
Goodbye manual toothbrush. Hello Sonicare.
Sonicare technology combined with our brush action gently removes up to 7x better* plaque than a manual toothbrush.
See all benefits
Philips Sonicare #11 icon badge DP recommendation

#1 Dental Professional recommended sonic toothbrush brand worldwide

Up to 7x better plaque removal*

Goodbye manual toothbrush. Hello Sonicare.

  • Sonicare technology

  • QuadPacer and SmarTimer

  • Slim ergonomic design

  • 14-day battery life

Up to 7x better plaque removal vs a manual toothbrush*

Up to 7x better plaque removal vs a manual toothbrush*

Sonicare electric toothbrush with advanced sonicare technology is clinically proven to remove up to 7x better* plaque from your teeth and along the gum line while protecting your gums.

Pressure Sensor helps protect your teeth and gums

Pressure Sensor helps protect your teeth and gums

Built-in pressure sensor automatically detects pressure you apply, warns you, and reduces the toothbrush vibrations automatically to help protect your gums. The toothbrush will make a pulsing sound as a reminder to ease off the pressure. 7 out of 10 people found this feature helped them become better brushers.

Optimize your brushing with SmarTimer and QuadPacer

Optimize your brushing with SmarTimer and QuadPacer

2 minute SmarTimer and 30-second QuadPacer guide you to brush for the recommended time in all areas of your mouth to ensure a complete clean.

Technical Specifications

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Reviews

These reviews are managed by Bazaarvoice and comply with the Bazaarvoice Authenticity Policy, which is supported by anti-fraud technology and human analysis. Details may be found at
Customer opinions in the form of product and star ratings are useful for all customers. They allow you to learn more about the product and help you make a purchase decision. Any customer who has purchased a product online or in store can submit a review

4.3

of 5

3055

Reviews

86%

recommend this product

31/08/2026

US

US

Verified buyer

Great all around.

Easy to use. Works well. Timer is important. Brush monitor is great feature.

Pros

simple. effective.

Cons

none

Yes, I recommend this product

This review was made for 4100 Series HX3681/23 Sonic electric toothbrush

Date of Use 2026-06-30

Yes, I recommend this product

This review was made for 4100 Series HX3681/23 Sonic electric toothbrush

Date of Use 2026-06-30

31/08/2026

US

US

Verified buyer

Pleasure to brush teeth.

Like the timer, easy to keep clean. Last a good amount of time before charging needed.

Pros

design, timer easy to clean

Yes, I recommend this product

This review was made for 4100 Series HX3681/24 Sonic electric toothbrush

Date of Use 2026-07-27

Yes, I recommend this product

This review was made for 4100 Series HX3681/24 Sonic electric toothbrush

Date of Use 2026-07-27

28/08/2026

US

US

Verified buyer

Gentle on the teeth

Love how this cleans my teeth and lets me know when to change areas of my mouth.

This review was made for 4100 Series HX3681/24 Sonic electric toothbrush

Date of Use 2026-07-26

This review was made for 4100 Series HX3681/24 Sonic electric toothbrush

Date of Use 2026-07-26

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Disclaimers

  1. vs manual toothbrush for healthier teeth and gums

  2. Data on file

  3. based on two periods of two-minute brushings per day on standard mode