Healthy lifestyles start here. Sign up and get exclusive offers
2 year warranty
Welcome gift £10*
30-day return
Electric toothbrushes
All series
Philips Sonicare DiamondClean Prestige 9900 Rechargeable Toothbrush
Support
HX9992/44
Go to shop
Log in or create an account
You instantly have access to manuals, tailored support and more. Plus it’s quick and easy
Data Act Document
UK Declaration of conformity - English (US)
All (25)
How does the brushing guidance work in the Sonicare app?
How can I recycle my Philips Sonicare Toothbrush?
Do I need an Alexa device to reorder replacement brush heads for my Sonicare?
How does the pressure sensor feedback work on my Sonicare toothbrush?
How does Sonicare 9900 Prestige work with the app?
Philips SonicareCharging station
Philips SonicareCharging travel case
Philips SonicareCharging stand
Philips SonicareUSB-A charging cable
A3 Premium All-in-One2x White sonic toothbrush heads
Check the terms of your warranty and start a product exchange or repair
Warranty
Our product warranty policies
Service and exchange
Get your broken product serviced or replaced
Contacting Philips
We're happy to help you