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  • Whiter teeth. Gently does it.
  • Whiter teeth. Gently does it.
  • Whiter teeth. Gently does it.

Philips Sonicare 4100 Series

Sonic electric toothbrush

HX3689/44

  • Whiter teeth. Gently does it.
  • Whiter teeth. Gently does it.
  • Whiter teeth. Gently does it.
Whiter teeth. Gently does it.
Feel the difference of a gentle clean with our Pressure Sensor while whitening your teeth in 1 week.
See all benefits

Whitens teeth in just 1 week.

Whiter teeth. Gently does it.

  • Sonicare technology

  • QuadPacer and SmarTimer

  • Slim ergonomic design

  • 14 day battery life

Whitens teeth in just one week

Whitens teeth in just one week

Click on the W2 Optimal White brush head to remove surface stains and reveal a whiter smile. With its densely packed central stain-removal bristles, it's clinically proven to whiten teeth in just one week.*

Pressure Sensor helps protect your teeth and gums

Pressure Sensor helps protect your teeth and gums

Built-in pressure sensor automatically detects the 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.

Optimise your brushing with SmarTimer and QuadPacer

Optimise your brushing with SmarTimer and QuadPacer

2 minute SmartTimer 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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Disclaimers
    1. Individual results may vary

    2. Data on file

    3. based on two periods of brushing for two minutes per day on Standard mode