Healthy lifestyles start here. Sign-up & save
2 year warranty
Expert tips and inspiration
Electric toothbrushes
All series
Philips Sonicare 3 Series gum health Sonic electric toothbrush
Support
HX6631/96
Go to shop
Register your product
Register within 90 days after purchase and get an extended warranty (conditions may apply).
Eco Passport
User Manual
All (17)
Can I use my Sonicare AirFloss charger to charge my toothbrush?
How does the brushing guidance work in the Sonicare app?
In which countries is the Sonicare app available?
How do I change the intensity settings on my Sonicare toothbrush?
Can I replace the battery of my Sonicare toothbrush?
ProResults gum healthStandard sonic toothbrush heads
I cannot connect my toothbrush to the Sonicare app
My brush head falls off my Sonicare toothbrush
My Sonicare toothbrush is not vibrating
My Sonicare toothbrush turns off by itself
My Sonicare toothbrush is vibrating less powerfully
Check the terms of your warranty and start a product exchange or repair
Start a product exchange
Apply for a warranty replacement product from Philips
Warranty
Our product warranty policies
Contacting Philips
We're happy to help you