Healthy lifestyles start here. Sign-up & save
2 year warranty
Expert tips and inspiration
Philips Sonicare DiamondClean Smart Sonic electric toothbrush with app
Discontinued
Support
HX9985/01
Available in
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
Eco Passport
All (25)
Can I exchange points in the Philips Sonicare App?
Can I use the Philips Sonicare Brush Head reordering service outside the United States?
Do I need an internet connection for the Sonicare Brush Head reordering service?
Can I return brush heads through the Sonicare Brush Head reordering service
How does the brushing guidance work in the Sonicare app?
G3 Two-in-one2-pack brush heads
C3 Two-in-one2-pack brush heads
Standard toothbrush variety pack
C3 Two-in-one3-pack brush heads
G3 Two-in-one3-pack brush heads
My brush head is difficult to attach or remove.
I cannot connect my toothbrush to the Sonicare app
My brush head falls off my Sonicare toothbrush
My Sonicare toothbrush turns off by itself
My Sonicare toothbrush is vibrating less powerfully