Philips Sonicare HX9171/20 FlexCare Electric Toothbrush Review

Philips Sonicare HX9171 20 FlexCare Electric Toothbrush reviewWhen it comes to dental care, we need to give it the attention it sorely deserves. Not only is the health of our teeth important to how feel about ourselves and our appearance, it can also greatly impact the rest of our body’s health. There are links to periodontal disease, or gum disease and a number of serious health conditions.

In recent years there has been an explosion of choice made available in the electric toothbrush market. It is no longer just a case of choosing your favourite brand of manual toothbrush and whether you want a stiff, medium or soft bristled brush. With lots of charging options, replacement heads, additional functions and features, it really is wise to make sure you know what you are looking for before you starting shopping. Having a clear budget in mind is also advisable, as some models may be more expensive than others.

This Philips Sonicare HX9171/20 FlexCare Electric Toothbrush with Sanitiser – Platinum is one of the more expensive models, but with good reason. Not only does it come with the guarantee of high quality manufacturing and design that comes with a brand name like Philips, but it also comes with a sanitizer for cleaning brush heads using powerful UV light and a sturdy and compact travel case for when you need to be on the go.

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Philips Sonicare HX9171/20 FlexCare Electric Toothbrush Features

This is a very clean looking and slick toothbrush with a very stylish white and silver colouring. The control panel features lights to indicate which brushing mode has been selected and the level of intensity that has been selected also. As well as this, it comes with handy UV sanitizer for cleaning your brush heads. This has been designed to kill bacteria and help your brush to last much longer because of it. By covering the top of the brush head, the bit you use, with sanitising light, it is reported by Philips that it can destroy as much as 99% of all bacteria found there.

Much like other brushes in the same range, the Philips Sonicare HX9171/20 FlexCare Electric Toothbrush with Sanitiser – Platinum comes with 3 levels of intensity to choose from and this one in particular comes with three different brushing modes.

Three Brushing Modes

  • Clean – Regular, thorough cleaning that you would use on a day to day basis
  • White – As the name suggests, this works harder at plaque and those stubborn surface stains to give you whiter teeth
  • Deep Clean – A more thorough and in-depth version of Clean mode, this may not be something you use everyday but you should consider using it every week at least.

Charging Base And UV Sanitizer Included

As well as charging your device via the 2 pin mains adaptor, the base also doubles as a brush head sanitiser, with a compartment to place brushes and have them cleaned to a high standard. As previously noted sanitising the brush heads with UV light could destroy and remove up to at least 99% of all bacteria living on it. By cleaning your brush heads effectively, you know that you can with confidence use the same brush heads on your teeth.

Deep Clean No Matter What

It doesn’t matter how much you have struggled in the past to clean your teeth effectively enough, with the AdaptiveClean brush technology that comes with the Philips Sonicare HX9171/20 FlexCare Electric Toothbrush with Sanitiser – Platinum, even those hard to reach spots are a lot easier to clean. The bristles have been specifically designed to curve around the gums and teeth to give 4 times more surface contact than the Philips DiamondClean brush head and gives you a total of 10 times more plaque removal.

Don’t worry if you have a tendency to brush too hard for time to time, as the toothbrush features a pressure sensor that makes the toothbrush gently pulsate if you press down too hard to save your gums the trauma and possible damage.


  • Type: Sonic Electric Rechargeable Toothbrush
  • The cost of replacement brush heads – Philips Sonicare AdaptiveClean Brush Heads 4 Pack for £24.99
  • The box includes FlexCare Platinum Handle, AdaptiveClean brush head, Charger, UV sanitizer, Travel case

Philips Sonicare HX9171 20 FlexCare Electric Toothbrush reviewPros

  • Robust but lightweight design
  • 3 brushing modes
  • 3 levels of intensity
  • Patented sonic technology for cleaner and whiter gums
  • Pressure sensor
  • UV sanitizer
  • Travel case


  • Very expensive
  • 24 hour charging time might be too much for some customers

Customer Opinions

We always feel it is wise to look to the experiences of others before purchasing something online, especially something you do not have the opportunity to see up close and personal. When considering then this Philips Sonicare HX9171/20 FlexCare Electric Toothbrush with Sanitiser – Platinum and look at the customer reviews on Amazon UK, it is clear to see that despite a number of negative reviews and some complaints, that it has been a well received product. Many customers were happy with the quality of brushing they got from it and the results.

Below are some comments made by customers about this toothbrush in their reviews:

“In conclusion I still think the Philips Sonicare FlexCare Platinum is a very good toothbrush and deserves a full five stars. It comes packaged with a number of extras notably a decent hard case, separate travel charger and UV sanitiser/charger base.”

“Very good product, so far it has been comfortable to use and as far as I am aware, cleans my teeth very well. Will see what the dentist thinks next time I go.”

“The best brush I ever had! And yes: I had many electrical brushes before and I confirm that no other brush I had can be even compared to this one”

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What We Think

We feel that, regardless of the type of product, you can’t go wrong with a Philips made appliance. This Philips Sonicare HX9171/20 FlexCare Electric Toothbrush with Sanitiser – Platinum may not be suitable for everyone due to the price tag; if you are not restricted by budget and are looking for a great electric toothbrush that will give you amazing results and last a long time, then this is one you should really consider.

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