ProductsSupport

Healthy lifestyles start here. Sign up and get exclusive offers

2 year warranty

Welcome gift £10*

30-day return

All series

Philips Sonicare DiamondClean Prestige Sonic electric toothbrush with SenseIQ - Blue

Support

Philips Sonicare DiamondClean PrestigeSonic electric toothbrush with SenseIQ - Blue

HX9992/12

HX999B

Philips Sonicare DiamondClean Prestige Sonic electric toothbrush with SenseIQ - Blue

Available in

Black
Black
Champagne
Champagne
Midnight Blue
Midnight Blue

Go to shop

Log in or create an account

Register your product

You instantly have access to manuals, tailored support and more. Plus it’s quick and easy

Register now

Experience personalized coaching!

The Sonicare app guides you, so you don’t miss a spot, and more.

Real-time feedback Habit tracking Streaks and celebrations Download now!

Scan QR Code to download the app
The Sonicare app guides you, so you don’t miss a spot, and more.

Manuals & Documentation

Data Act Document

  • PDF file, 305.3 kB
  • 11 September 2025

UK Declaration of conformity - English (US)

  • PDF file, 144.9 kB
  • 31 July 2025

Frequently Asked Questions

Parts & Accessories

Troubleshooting

Warranty and service

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