Products Support

Sign up for exclusive offers

Sign up for exclusive offers

All series

Philips Sonicare DiamondClean 9900 Prestige Rechargeable Toothbrush

New

Support

Philips Sonicare DiamondClean 9900 PrestigeRechargeable Toothbrush

HX9813/91

Philips Sonicare DiamondClean 9900 Prestige Rechargeable Toothbrush

New

Available in

Go to shop

Get the most out of your product

How to brush
Low battery sign
Selecting the intensity level
Selecting your mode

Register your product

Get your extended warranty

Register within 90 days after purchase and get an extended warranty (conditions may apply).

Manuals & Documentation

User manual

PDF file, 7.1 MB
18 June 2026

EU Declaration of conformity - English (US)

ZIP file, 1.3 MB
10 July 2026

Frequently Asked Questions

Parts & Accessories

Premium All-in-One
4 pack brush heads
HX9094/87
- Removes 20 x more plaque*
- 100% whiter teeth in 2 days***
- Up to 15 x healthier gums in six weeks*
- Soft
- 4-pack
Premium All-in-One
2-pack brush heads
HX9092/87
- Removes 20 x more plaque*
- 100% whiter teeth in 2 days***
- Up to 15 x healthier gums in six weeks*
- Soft
- 2 pack

Troubleshooting

Warranty and service

Check the terms of your warranty and start a product exchange or repair

Warranty

Our product warranty policies