ProductsSupport

Healthy lifestyles start here. Sign up and get exclusive offers

2 year warranty

Welcome gift £10*

30-day return

All series

Philips Sonicare 4100 Series Sonic electric toothbrush

Support

Philips Sonicare 4100 SeriesSonic electric toothbrush

HX3689/43

Philips Sonicare 4100 Series Sonic electric toothbrush

Available in

Cleansing Blue Prismatic
Cleansing Blue Prismatic
Lush Lilac Prismatic
Lush Lilac Prismatic
Malibu Prismatic
Malibu Prismatic
Paradise Pink Prismatic
Paradise Pink Prismatic

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

Manuals & Documentation

EU Declaration of conformity - English (US)

  • ZIP file, 1.3 MB
  • 7 August 2026

UK Declaration of conformity - English (US)

  • PDF file, 45.8 kB
  • 7 August 2026

Frequently Asked Questions

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