The Philips Sonicare 4100 Electric Toothbrush (Model HX3689/42) uses Advanced Sonic Technology to provide effective and gentle oral care, pulsing fluid between teeth and along the gumline. This toothbrush is designed to help whiten teeth from day one with the included W2 Optimal White brush head. It features two modes for personalized cleaning and an EasyStart program for a gradual, gentle increase in brushing power.

This model prioritizes gum safety with a built-in Pressure Sensor that causes the handle to pulse slightly if you apply too much force, reminding you to ease off. It also includes essential guides: the SmarTimer ensures you brush for the dentist-recommended 2 minutes, and the QuadPacer prompts you to move to a different section of your mouth. It is the #1 dental professional-recommended sonic toothbrush brand worldwide.

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Key Details

• Brand: Philips Sonicare
• Model Name: 4100 (HX3689/42)
• Technology: Advanced Sonic Technology
• Modes: 2
• Safety Feature: Pressure Sensor
• Timer Features: SmarTimer (2 min) and QuadPacer
• Color: Malibu Blue Prismatic
• Head: W2 Optimal White
• Benefit: Helps whiten teeth from day 1