Philips Sonicare HX6972 FlexCare Plus Rechargeable Electric Toothbrush Review


Sonicare Flexcare Plus

The Flexcare+ has been round the block a few times and is definitely one of the old boys when it comes to electric toothbrushes. The original Flexcare had a revamp a few years ago and metamorphosed into something bigger and better than its former self, and Sonicare has sold thousands of these bad boys over the years. Let’s have a look at what makes it such a popular toothbrush, that even the hefty price tag (around $170) has not managed to put people off.

Generally, the reason why an electric toothbrush would attract a high price is due to the number of cleaning modes it has, and in the case of the Flexcare + it has five. That’s a lot, the only toothbrush we’ve reviewed so far that has more cleaning modes is the Oral-B 7000 with six.

However, the other feature of this toothbrush, and its unique selling point, is the fact it comes with a UV Sanitizer that kill up to 99% of bacteria and viruses on your brush head in ten minutes, and can sanitize two brush heads at a time. Let’s investigate further and see if the brush and sanitizer are all they’re cracked up to be.

Table of Contents
Click Ahead!
1. Rechargeable or Battery? 2. Toothbrush Timer 3. Cleaning Modes
4. How do you use the FlexCare+ 5. Travelling with your Brush 6. Dimensions / Power / In the Box
7. Features 8. Accessories 9. Pros
10. Cons 11. Consumer Ratings 12. Price

Rechargeable or Battery Powered?

3 weeks battery lifeThe Flexcare+ is rechargeable and comes with two chargers, one being a travel charger and the other integrated into the UV sanitizer unit. The travel charger cord wraps into the base of the unit to keep it tidy and out of the way.

The battery life is very good – after fully charging it will last 3 weeks, and that is brushing twice a day for two minutes each time.  The first time you use it you will need to leave it on its charger for at least 24 hours to get up to full power.

Toothbrush Timer

FlexCare+ 2 min timerOnce you have turned the brush on and selected your cleaning mode, the toothbrush will automatically turn itself off at the end of its cleaning time. This is generally two minutes, unless you are in modes such as Refresh and Gum Care which have one minute modes.

As with other Sonicare models many of the features are standard, and this electric toothbrush comes equipped with the “Easy Start” ramp up feature. This means that the toothbrush won’t actually reach full power until one week has elapsed and this is to get used to the Sonicare brushing experience. If you’re already well-practised in the art of brushing with a power toothbrush this features is probably superfluous to requirements and you can turn it off.

teeth quadrantsThe other feature common to Sonicare brushes is the “Quadpacer”. This always makes me think of a leg workout for some reason, but don’t worry as it’s only your teeth that will be getting the workout! If you think of your teeth in four (quad) sections – outer upper, outer inner, outer lower and outer inner – the toothbrush timer will divide the total time into four and after each 30 seconds you will feel a short pause in brushing and hear a beep. This is your cue to move to the next quadrant of your mouth.

Cleaning Modes

FlexCare Plus HandleThe on/off button and mode button are located in the front of the toothbrush handle, and the selected mode will also illuminate in the handle. Underneath the modes you can see the battery charge indicator button which is divided into thirds to show you how much battery life there is left. The Flexcare+ comes with the following cleaning modes, allowing you to customize your brushing:

  • Clean – a 2-minute clean (a complete daily clean)
  • Gum Care – a 2-minute clean plus a 1-minute gentle clean for extra cleaning along the gum line (a great mode for plaque attack but doesn’t replace flossing)
  • Refresh – a top-up 1-minute clean (I think this would be a great additional clean during the day to freshen your mouth up and make it feel perky)
  • Sensitive – a 2-minute clean, more gentle on sensitive gums and teeth (ideal for teeth that need a little bit extra TLC)
  • Massage – a 2-minute gentle stimulation gum clean (loads of reviews really rated this mode)

Try out all the different modes and see which one(s) you prefer as you’ll probably really end up only using these in the future.

How Do You Use the Philips Sonicare FlexCare+?

Firstly, charge the toothbrush on its charging unit for at least 24 hours. Then assemble it by pushing the brush head onto the short metal rod. You’re then ready to go:

  • Select the mode you fancy
  • Wet toothbrush head
  • Apply your usual toothpaste
  • Turn on the brush
  • Wait for the quadpacer to tell you when it’s time to move to a different section
  • The brush will automatically turn off at the end of the brushing cycle

If you turn the brush on without selecting a specific mode it will default to “Clean” mode.

FlexCare SanitizerCleaning your toothbrush is also really easy – pull off the brush head, rinse the area where the metal shaft is located with water and pat dry. You can then sanitize your brush heads using the UV sanitizer:

  • Open the door of the sanitizer
  • Place the brush head on one of the two pegs inside
  • Make sure the sanitizer is plugged in and then press the on/off button once
  • The sanitizer will automatically stop after 10 minutes.

You can tell when it’s on as a blue light will shine through the window. If you open the door while it’s on it will stop working.

Travelling With The Philips Sonicare Flexcare+

The Flexcare+ has a hard travel case that holds the toothbrush handle and two brush heads. Unless your trip is longer than 3 weeks you wouldn’t need to take the charger with you, just make sure you give your toothbrush a 24-hour charging blast before you go.

Dimensions / Power / What’s In the Box?

Product Dimensions: 3.7 x 6.7 x 9.2 inches ; 1 pounds


Inside the box you will find:

  • Toothbrush
  • Standard ProResults brush head
  • Compact ProResults brush head,
  • Three brush-head color-code rings
  • UV sanitizer
  • Travel charger
  • Two travel caps
  • Travel case


FlexCare Plus Handle & Sanitizer

  • Sonicare’s patented technology and unique dynamic action gently and effectively reaches deep between teeth and along the gumline
  • Angled brush head neck makes it easier to reach back teeth, removing plaque in those hard-to-reach areas
  • UV brush head Sanitizer helps keep your brush head free of bacteria. It kills up to 99% of bacteria and viruses
  • Dynamic Cleaning Action and direct broader contact with each tooth, has proven to remove everyday stains, to help keep teeth naturally whiter
  • Safe to use on braces (brush heads wear out sooner when used on braces), dental restorations (fillings, crowns, veneers) and periodontal pockets.
  • Optimal cleaning between teeth and along the gumline provides improved gum health in just two weeks and removes significantly more plaque to a manual toothbrush
  • 2-minute Smartimer helps ensure dental professional recommended brushing time
  • 30 seconds quadpacer indicates when you have completed each quadrant of your mouth and signals for you to move on resulting in more consistent cleaning throughout your mouth
  • Easy-start program gently increases power over first 14 uses to ease into the Sonicare experience
  • Five different cleaning modes

Accessories for the Philips Sonicare FlexCare+

brush headsThis model comes with two brush heads Standard ProResults brush head and Proresults CompactProResults Compact brush head for smaller mouths or more focused cleaning. If you further wish to customize your brush, the following brush heads designed for different purposes are also compatible with the Flexcare+:


You have a choice of five customizable functions on the toothbrush and you can also choose a brush head to suit your dental requirements.

The two-minute timer encourages you not to rush your brushing regime and the quadpacer ensures consistency of brushing all four quadrants of your teeth.

Because the sanitizer and charger are integrated into the same base, they only require one plug.

Excellent battery life and hard travel case make it perfect for travelling with.

Snap-on brush heads are easy to attach and take off, and the toothbrush handle doesn’t have too many cracks and crevices to keep clean.

You can share the toothbrush handle with other family members, all they need is their own brush head and color-code ring.


Travel charger doesn’t fit into the case, but this would only be an issue if your trip is longer than 3 weeks.

A lot of reviews reported problems with the sanitizer not working properly, and others said it was superfluous to requirements and a gimmick. In fact the American Dental Association commented that “there is no evidence that the use of a sanitizer has any positive or negative effects on oral or systemic health”. If you would like to enjoy the features of this toothbrush without the sanitizer you may consider purchasing the Philips Sonicare HX6921/02 Flexcare Plus which is around $40 cheaper.

It’s an expensive piece of kit.

Philips Sonicare FlexCare+ Reviews

The Sonicare Flexcare Plus Philips Sonicare Flexcare+ was given 4.2 stars out of 5.


The Philips Sonicare Flexcare+ is priced at around $170 and has 2 year warranty. To check the latest price click the button below:


  1. Cindy Alam says

    The sanitizer stopped working on mine about 4 weeks ago. I ordered the replacement light bulb, which was delivered today. After inserting the new bulb, the sanitizer still didn’t work. I guess I assumed that it would work after changing out the old bulb.

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