Sign up for exclusive offers
Electric toothbrushes
All series
Philips Sonicare 4100 Series Sonic electric toothbrush
Support
HX3681/54
Go to shop
Register your product
Register within 90 days after purchase and get an extended warranty (conditions may apply).
User manual
UK Declaration of conformity - English (US)
My brush head is difficult to attach or remove.
Contacting Philips
We're happy to help you
