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Philips ProtectiveClean 5100 Whitening
HX6851/56
$229
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Product Overview
Key Features
- Electric toothbrush with rechargeable lithium ion battery
- Pressure sensor alerts when brushing too hard
- Three cleaning modes and two brush heads included
- Travel case and battery indicator light for convenience
Key Specifications
- Brand:
- Philips
- Model Number:
- HX6851/56
- Timer:
- Yes - 2 minutes, QuadPacer and Smartimer track time taken in specific mouth areas and overall
- Functions:
- Clean, Gum Care & White mode
- Battery Life:
- Up to 2 weeks
- Type:
- Electric Toothbrush
- Screen:
- Battery LED indicator, Light on the handle and a short beep indicates time to change brush head
Power & Charging
- Battery:
- Rechargeable Lithium Ion
General Information
- Family:
- Philips Sonicare ProtectiveClean
- Colour:
- Blue
- Supplier Colour:
- Navy Blue
- Additional Features:
- Densely packed central stain removal bristles clinically proven to whiten in one week, Pressure Sensor alerts when brushing too hard
- What's In The Box:
- Charger, 2 x Brush heads, Travel case
Warranty
- Manufacturer's Warranty:
- 2 Year
Power & Charging
- Battery:
- Rechargeable Lithium Ion
Warranty
- Manufacturer's Warranty:
- 2 Year
Box Dimensions
- Box Height (mm):
- 237
- Box Width (mm):
- 173
- Box Depth (mm):
- 65
- Box Weight (kg):
- 1
Product Reviews of Philips ProtectiveClean 5100 Whitening
Overall Rating Snapshot
4.4 out of 5 stars from 44 reviews
86% of users recommend this product
What customers say, summarised by AI
- Provides a noticeably cleaner, fresher feel than manual brushing.
- Sonic and whitening functions visibly improve teeth whiteness for many users.
- Features like pressure sensor and BrushSync technology add value.
- Replacement brush heads are easy to source and fit.
- Some find it a bit noisy and it takes adjusting to vibration action.
- Majority highly recommend, though a few prefer returning to other brands.
Pros
Cleaning (15)
Easy (3)
Speed (2)
Quiet (1)
Value (1)
Works really well
Have been using this for a month and so far it is working extremely well. It’s quiet but effective at cleaning teeth. This was purchased to replace another brand which the battery failed in after only 3 years - considerinh it was $350 I wasn’t impressed.
Matt
Confirmed purchase 26 June 2026
Published on 21 July 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Brilliant peace of tech
Love the new Philips toothbrush, works really well. Would recommend highly
Nash
Confirmed purchase 22 April 2026
Published on 19 May 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Brilliant!
This electric toothbrush is incredible. The white function actually works. Looks sleek and is very effective. I feel like I’ve definitely cleaned my teeth after I’ve used it. Highly recommend
Si
Confirmed purchase 8 March 2026
Published on 31 March 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Excellent product
The product has great features, like the two speed horizontal brushing and love the new colours. The replacement brush heads are readily available as well.
Rita
Confirmed purchase 24 October 2025
Published on 18 November 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Great piece of tehnology.
The various features all come together to provide an efficient teeth cleaning and whitening experience. Easy to understand and use. I've definitely already noticed an improvement in my gums and a whiter teeth colour than I previously had.
Mark James Silver
Confirmed purchase 4 September 2025
Published on 28 October 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Great clean feel and excellent battery performance
Overall a very clean feel, pressure sensor works very well, great battery performance.
Raj Saini
Confirmed purchase 29 June 2025
Published on 2 September 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Awesome product!
It was time for upgrading my electric toothbrush, and Philip 5100 doesn’t let me down! It is a awesome item!
Riley
Confirmed purchase 13 April 2025
Published on 7 May 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Better than expected
Had to replace my old brush after 6 years was pleasantly surprised at how clean my teeth felt.
Matthew
Confirmed purchase 25 August 2023
Published on 16 September 2023
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Five Stars Love It
Absolutely Great works well.
Lorraine Evans
Confirmed purchase 5 June 2023
Published on 4 September 2023
Yes, I recommend this product.
Check out what this reviewer thought after the first 3-6 months.
Great Toothbrush
All Features Very Happy Review wont accept 5 stars but would give 10
Lorraine Evans
Confirmed purchase 5 June 2023
Published on 20 June 2023
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
You've viewed 10 of 44 reviews
ABOUT THE GOOD GUYS REVIEWS
The Good Guys product reviews are collected from verified purchasers who may have received an incentive in return for providing an authentic review.
The below information is AI generated based on Australian websites information around this item. We have done our best to ensure its accuracy but suggest verifying any information within this tab before purchasing.
At a glance
The Philips ProtectiveClean 5100 Whitening is a mid-range sonic electric toothbrush ideal for users seeking gentle yet effective cleaning and visible whitening in a short time. Its pressure sensor and three brushing modes suit a variety of oral care needs. It’s easy to use and travel-friendly, but lacks advanced smart features found in premium models.
What it’s great for
- Daily Oral Hygiene
- Teeth Whitening
- Gum Care
- Gentle Cleaning
Where it works best
- Home Bathroom
- Travel
- Shared Family Use
Who it’s for
- Adults
- Families
- Sensitive Teeth Users
- Frequent Travellers
Things to consider
Does not include advanced smart connectivity or app integration available in premium models.
Family suitability
Suitable for adults and older children; not recommended for young children under 7.
Orthodontic compatibility
Compatible with braces and orthodontic appliances; gentle modes minimise irritation.
Gum care effectiveness
8/10 - Dedicated gum care mode and pressure sensor support healthy gums.
Travel friendliness
9/10 - Includes a compact travel case and long battery life.
Ease of use score
8/10 - Simple controls and clear mode selection, but lacks app-guided feedback.
Key benefits
- Pressure Sensor: Helps prevent brushing too hard, protecting gums and enamel.
- Whitening Mode: Removes surface stains for visibly whiter teeth in just 1 week.
- Gum Care Mode: Provides gentle stimulation and cleaning for improved gum health.
- BrushSync Feature: Reminds you when to replace brush heads for optimal performance.
- Travel Case: Convenient for travel and storage, keeping the toothbrush hygienic.
- Three Brushing Modes: Customisable cleaning for different oral care needs.
- Sonic Technology: Delivers up to 31,000 brush movements per minute for thorough cleaning.
- Gentle Cleaning: Suitable for sensitive teeth and gums, minimising discomfort.
Q: Does the Philips ProtectiveClean 5100 work with all Sonicare replacement brush heads?
A: It works with Philips Sonicare snap-on brush heads, including options such as W3 Premium White. It is not the same as older screw-on or non-Sonicare heads, so checking for the Sonicare snap-on fit matters before buying replacements.
Q: What does the BrushSync feature do on the ProtectiveClean 5100?
A: BrushSync helps track brush head wear when a compatible Philips Sonicare head is fitted, then prompts you when it is time to replace it. That is useful if you want whitening performance to stay consistent, rather than guessing by appearance alone.
Q: Is the ProtectiveClean 5100 a good choice for sensitive gums or for switching from a manual toothbrush?
A: Yes. The built-in pressure sensor can alert you if you brush too hard, and the Gum Care mode is designed to be gentler than a straight whitening-focused clean. That makes it easier to move to sonic brushing without feeling overly harsh.
Q: How does the ProtectiveClean 5100 compare with simpler or more premium Sonicare models?
A: The 5100 sits in the middle of the Sonicare range. It adds three modes, a pressure sensor, BrushSync support and a travel case, while simpler models usually offer fewer brushing options and premium ranges add more connected or custom features.
Q: Can the Philips ProtectiveClean 5100 be used if you have braces?
A: Yes, sonic brushing can be suitable with braces because the small brush head helps clean around brackets and along the gumline. The key limitation is technique. Use light pressure, as the pressure sensor is there to warn against brushing too hard.
Q: Why is there a small gap between the brush head and handle on the ProtectiveClean 5100?
A: That gap is normal on Philips Sonicare click-on designs. The head is not meant to sit completely flush because a little space helps the sonic motion work properly. If the head is firmly attached and stable, the gap is expected rather than a fault.