Philips Sonicare DiamondClean Smart 9400 - Sonic Electric Toothbrush - Image 1

£176.99

PHILIPS Philips Sonicare DiamondClean Smart 9400 - Sonic Electric Toothbrush

Name: Philips Sonicare DiamondClean Smart 9400 - Sonic Electric Toothbrush
Brand: PHILIPS
Price: 176.99 GBP
Availability: InStock

Black, HX9917/89

Sonic

About as cheap as it gets. The only time it was cheaper was 3 months ago.

£177 today · all-time low £170 (Jul 2026) · usually the usual

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Price History & Forecast

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Last 33 days · 33 data points (no recent data)

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Price Distribution

Price distribution over 33 days • 4 price levels

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Current Price

Price Analysis

Most common price: £188 (13 days, 39.4%)

Price range: £170 - £188

Price levels: 4 different prices over 33 days

Description

The Philips Sonicare DiamondClean Smart 9400 electric toothbrush transforms your daily oral care routine with advanced sonic technology that removes up to 20 x more plaque than manual brushing and delivers up to 15 x healthier gums. This smart toothbrush features 4 brushing modes - Clean, White+, Gum Health and Deep Clean+ - each designed for specific oral care needs, paired with 3 adjustable intensity levels to suit your preferences. The intelligent light ring pressure sensor provides real-time feedback, flashing when you apply excessive pressure to protect your teeth and gums from damage. Connect the HX9917/89 model to the Philips Sonicare app for personalised brushing guidance and tracking. Safe for use with braces, fillings, crowns and veneers, this black sonic toothbrush combines professional-grade cleaning power with smart technology for optimal oral health results.

Key Features

Removes up to 20 x more plaque than manual toothbrushes with advanced sonic cleaning action.

Four brushing modes including Clean, White+, Gum Health and Deep Clean+ for targeted oral care.

Three adjustable intensity levels allow customisation of brushing strength to suit your needs.

Built-in light ring pressure sensor flashes to alert you when pressing too hard on teeth and gums.

Connect to the Philips Sonicare app for personalised brushing guidance and oral health tracking.

Safe for use with braces, fillings, crowns and veneers without causing damage.

Model HX9917/89 in black delivers up to 15 x healthier gums with consistent sonic vibrations.

Product Specifications

Brand: PHILIPS
Model: HX9917/89
Colour: Black
Size: 1 Count (pack Of 1)
ASIN: B09BW5SJBD
Category: Health & Personal Care > Dental Care > Toothbrushes & Accessories > Electric Toothbrushes & Accessories > Electric Toothbrushes > Sonic
Domain: Amazon UK
Release Date: 22 October 2021
Listed Since: 22 October 2021

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PHILIPS Philips Sonicare DiamondClean Smart 9400 - Sonic Electric Toothbrush

About as cheap as it gets. The only time it was cheaper was 3 months ago.

Price History & Forecast

Price Distribution

Price Analysis

Description

Key Features

Product Specifications

Barcode

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