Philips Sonicare 2 Series Review

Philips Sonciare 2 Series Review - Header Image

Our Verdict

On the whole the Sonicare 2 Series is far from a bad brush.

It cleans well, has the basic functions you need and a battery life that is more than satisfactory.  Hey, it even comes with a battery status icon that some brushes simply don’t.

What lets the 2 Series down is the price.  It is just too expensive to really be considered justifiable against other brushes available today.

Spend a fraction more and you get the much better ProtectiveClean 4300.

Pros

  • 1 cleaning mode
  • Built in timer
  • Automatic power off

Cons

  • Older battery technology used
  • No pressure sensor to alert you when brushing to hard
  • Better value options exist (see other choices)

The 3 BIG Questions about the Philips Sonicare 2 Series

If you are short of time, the answers to the following 3 questions should let you know all you need to about the Sonicare 2 Series.  If we have missed something, let us know in the comments.

If you want more detail, you can read our full Sonicare 2 series review further down the page.

1. Is there anything drastically wrong with this toothbrush?

On the whole this is a well-rounded, practical and very functional electric toothbrush that delivers a good clean.

There are 2 possible deal breakers in opting for this brush.  The first is the battery, it uses NiMH rather than the newer and more reliable Li-ion and the 2nd is the price.

For the money that most retailers are asking, there are better value options available.

Preview Product Rating Price
Philips Sonicare 2 Series (HX6251/40) Philips Sonicare 2 Series (HX6251/40) 4 Reviews £42.00 £39.99

2. Which other brushes should I consider?

Lots of different brushes could be considered alongside this electric toothbrush, but 2 other brushes to consider carefully are the Sonicare EasyClean or the ProtectiveClean 4300.

The EasyClean is cheaper, with similar specifications whilst the 4300 is the more premium model but has 2 very desirable features which includes a pressure sensor and a reminder system for when you need to replace your brush head.

If you want even more choice and are not brand conscious, check out our choice for the  best overall electric toothbrush you can buy in 2019.

Our Choice
Philips Sonicare ProtectiveClean 4300 Electric Toothbrush with Travel Case - Black (UK 2-pin Bathroom Plug) - HX6800/03
Philips Sonicare EasyClean Electric Toothbrush with Pro-Results Brush Head - HX6511/50 (UK 2-Pin Bathroom Plug)
Philips HX6251/40 Toothbrush Sonicare 2 Series With Proresults
Brush Name
Sonicare ProtectiveClean 4300
Sonicare EasyClean HX6511/50
Sonicare 2 Series
Customer Rating
Electric Teeth Rating
5/5
4/5
3/5
Price
£49.99
£33.89
£39.99
Prime
Our Choice
Philips Sonicare ProtectiveClean 4300 Electric Toothbrush with Travel Case - Black (UK 2-pin Bathroom Plug) - HX6800/03
Brush Name
Sonicare ProtectiveClean 4300
Customer Rating
Electric Teeth Rating
5/5
Price
£49.99
Prime
Philips Sonicare EasyClean Electric Toothbrush with Pro-Results Brush Head - HX6511/50 (UK 2-Pin Bathroom Plug)
Brush Name
Sonicare EasyClean HX6511/50
Customer Rating
Electric Teeth Rating
4/5
Price
£33.89
Prime
Philips HX6251/40 Toothbrush Sonicare 2 Series With Proresults
Brush Name
Sonicare 2 Series
Customer Rating
Electric Teeth Rating
3/5
Price
£39.99
Prime

3. Where is the best place to buy the Sonicare 2 Series?

There is no single best place to purchase the Sonicare 2 Series from.  As you will see in the ‘variants’ section of this review, there are actually 4 different versions of this brush.  Different retailers stock different variants.

Therefore it is a case really of shopping around to find the one you want at the best price.

However, consider carefully as to whether the 2 Series is really the best purchase for you given the other options available.

Why should you listen to us?

Electric Teeth is an independent organisation with a mission to simplify dental health.

Our team is a mixture of consumers and dental professionals.

We strive to create honest, informative content, telling you the facts, good or bad.

We are not sponsored by big brands or healthcare companies. Our site is funded by affiliate revenue and ads, but we only recommend products that we have tested and truly believe to be worth your money.

Why not watch this short video to find out all about us?

And now for a bit more detail….

The Sonicare 2 Series is designed to be a more entry level electric toothbrush with a couple of cleaning modes and a pretty reasonable battery life.

It is not bogged down with lots of unnecessary features and is certainly more about getting the job done and done well.

Variants of this brush

The simplicity of this brush is somewhat lost when Sonicare confuse the buying process by creating not 1, not 2, but 4 different versions of essentially the same brush.

Small are the differences, but they exist and can complicate your decision making when comparing prices and models between different retailers.

The 4 versions and their differences are:

  • 2 Series Gum Health
    • 2 x cleaning modes (Clean & Massage)
    • 1 x ProResults gum health standard brush head
    • Blue Roan coloured handle
    • Model number HX6251/42
  • 2 Series Black
    • 1 x cleaning modes (Clean)
    • 2 x DiamondClean standard brush heads
    • Black  coloured handle
    • Model number HX6232/20
  • 2 Series Standard
    • 2 x cleaning modes (Clean & Massage)
    • 1 x ProResults standard brush head
    • Blue Roan coloured handle
    • Model number HX6251/40
  • 2 Series Compact
    • 2 x cleaning modes (Clean & Massage)
    • 1 x ProResults compact brush head
    • Blue Roan coloured handle
    • Model number HX6251/41

What’s in the box

The brush heads included in the box will vary depending on which variant you opt for.

  • Philips Sonicare 2 Series electric toothbrush HX6251
  • Charging station
  • ProResults brush head
  • Documentation

Key Features

  • Removes up to two times more plaque than a manual toothbrush
  • Sonic technology cleans with up to 31,000 brush strokes per minute
  • Easy-start eases you into the Sonicare experience
  • Smartimer and quadpacer
  • Up to two weeks of power from one charge
  • Two-year warranty

Pros & Cons

What are the benefits and drawbacks of this Sonicare electric toothbrush?

The positives

  • Battery life – A solid 2 weeks battery life which is more than acceptable at this price.
  • Timer – Built in quadpacer and 2 minute timer.
  • Clean – It offers up a really good clean that can deliver up to 2x more effective plaque removal.
  • Features – Automatic power off and the easy-start programme are premium features.

The negatives

  • Pressure sensor – No pressure sensor to alert you when brushing too hard.
  • Battery technology – Uses a less desirable battery technology.
  • Price – Better value options exist.

Design, Usability, Clean & General Use

The 2 Series electric toothbrush has a pretty conventional look to it.

Made up of 2 parts the handle and the head the two are detachable.

The handle is a slightly squared cylinder shape with a fairly plain design and not many buttons or controls on the handle.

The handle itself is available in 2 different colours (within the UK), they are:

  • Black
  • Blue Roan

The Black colour is virtually an all Black handle, whereas the Blue Road is a White handle with the Blue colour tones kicking in around the power button and base of the brush.

In this review I am looking at the Blue Roan color option which is a bit more conventional and clinical looking.

The handle is smooth to the touch, but not so smooth you feel like the handle will slide out of from your hand.

On the front of the handle is a power button, which is a Mint Green colour.  On this model it is then surrounded by a Blue panel of plastic, making it stand out against the White body.

Just above this is the Philips Sonicare logo in a grey font,

Towards the bottom of the brush handle is a small battery icon that flashes when charging and gives feedback on the remaining power.

On the back of the handle in the centre are a series of raised dots, this form gripping points to which the fingertips naturally fall and use to get a better hold of the handle.

The base of the brush handle is flat, with a small round recess going up into the middle.  This is the recess into which the prong on the charging stand fits into.  This base panel is actually Blue in colour on this model and adds a contrast to the White brush body.

At the very top of the brush handle protruding from the centre is a metal prong which feeds up and out of the handle from the brush motor, this is the part that drives the brush head when it is attached.

Included in the box is a single ProResutls brush head, with this variant, model number HX6251/40 that I am reviewing.

This is one of a range of brush heads available from Sonicare.  It is the standard sized head, but smaller, compact versions exist.

All of the brush heads are interchangeable, so although you are provided with a ProResults Plaque Control brush head, if you prefer the DiamondClean head, you can purchase and swap them out.

Simple to replace the brush head just pushes on and pulls off the top of the brush handle.

You should replace the brush head every 3 months as standard for the sake of your teeth and oral health.  If you notice that the bristles have frayed or split then you should do it sooner.

It is easy to forget when you changed the brush head last, so to help the heads themselves have something called indicator bristles.  Blue in colour over approximately 3 months the bristles fade to a pale Blue almost White colour.  Take a look at these and if they are pale it is likely time to replace that head.

With the brush head fitted, press the single power button to turn the brush on.

The brush begins in the ‘Clean’ mode available, press it again to select the ‘Massage’ mode.  They runs for 2 minutes in total.

As soon as the brush is powered on the handle begins timing the clean.

You know you should brush for 2 minutes, so the handle keeps track of this and will at the end of the 2 minutes automatically turns the brush off for your convenience and to signal the time is up.

As part of this timer though there is a much desired quadpacer.

The quadpacer kicks in at 30 second intervals.  A slight pause in the motor causes the bristles to stop moving and the sound of the brush to change.  This is an alert to move the brush from one quadrant to another.

There are 4 quadrants to the mouth, top right, top left, bottom right and bottom left.  The idea is you spend 30 seconds cleaning each quadrant to give a roughly equal clean around the mouth over a 2 minute time period.

I believe this is massively underrated and can really help you improve how good you are at cleaning your teeth.

The automatic power off is a nice touch and helps conserve battery life, to ensure it can achieve the 2 weeks usage time.

The clean offered by the brush is very good.  It’s a relatively soft cleaning experience, Oral-B brushes tend to feel a bit more aggressive and harsher, which is actually my personal preference.

31,000 movements per minute are delivered via the brush head.  Skimming the surface of the teeth and gums, studies have revealed that up to 2 times more plaque can be removed with this brush in comparison to a manual one.

Subsequently you mouth will be a lot healthier, your dentist will be pleased and you will likely feel better too.

Compared to a manual toothbrush, this is a bit different and the more consistent power can take a little while to get used to.

Thankfully Sonicare have you covered with an innovative feature called Easy-start.  Essentially for the first 14 cleans, the speed of the brush motor gradually increases until it reaches full power.  This means that in the first few uses where you are not used to the power you are actually enjoying less movements per minute to ease you in.

It is a small touch but it can make all the difference.It is however something you might expect on a much more premium priced brush.

The handle itself is water-resistant and can withstand toothpaste, saliva etc.  It can be rinsed under the tap, get wet in the shower but do avoid submerging the handle.

One thing that is missing from the brush for me is a pressure sensor.  Now to be honest I am being a it picky here, but a common issue is people brushing too hard.  Brushing too hard wears away at the soft gum tissue and in time leads to gum recession.

A pressure sensor is tool that can help alert you if you are brushing too hard and help avoid this happening. Sadly the Sonicare 2 Series does not have this.

On the whole Sonicare are one of the best quality electric toothbrushes that not only feel solid and perform well, they tend to last.  The 2 Series comes with a 2 year warranty should the worst happen.

Summary of Design, Usability, Clean & General Use

  • 2 colour options to the brush handle
  • Typical design and look to the handle
  • 2 cleaning modes (subject to variant)
  • 2 minute timer and quadpacer
  • Automatic power off
  • Interchangeable brush heads
  • Cleans well
  • EasyStart feature great for first time electric toothbrush users
  • No pressure sensor
  • Water resistant handle
  • 2 week battery life
  • 2 year warranty

Battery Life

My experience has taught me that different user have different expectations of the battery life of a toothbrush.

Some want it to have a very good battery life and not require charging all that often, whilst others don’t worry if the battery life is just a few days, because they leave it on or it will always be near a charger.

My personal view is that a battery should last at least a week, preferably 2 or more.

I use this as my target as I like the idea of being able to go away on a trip for a week or two and not have to worry about taking the charger with me.

The Sonicare 2 Series offers a respectable 2 weeks of battery life.

Built inside the brush handle and not user removable or replaceable, the Nickel Metal Hydride (NiMH) battery recharges via a charging stand that is included in the box.

The handle sits on top of the charging stand that connects to mains power.

It can take up to 48 hours to charge the brush handle fully.  The battery indicator on the brush handle will flash green until it turns a solid green to indicate it is charged.

The charging stand itself is white in colour has a 2 pin plug and works on voltages of 110-240v.

When not on the charger if there is a yellow battery level indicator on the brush handle, this means there is a low charge, whilst green indicates a high charge.  The battery indicator turns off when the battery is between a high and low charge.  When you hear 3 beeps and the battery indicator flashes yellow, this means the battery level is at 10% and should be recharged.

Some may criticise the use of a NiMH battery.  It is a tried and tested battery technology but the newer Lithium batteries are better as they tend to have longer working lives and handle repeated charging better.

The 3 Series onwards within the Sonicare range offer Lithium.

Do not let the NiMH battery put you off, many brushes still use this battery type.

Our testing confirmed the 2 weeks of battery life.  From a full charge we managed 56 minutes of usage time which is 14 days based on 1 user cleaning their teeth twice a day for 2 minutes.

I am convinced that the automatic power off feature helps conserve the battery life as power is not wasted post clean.

Summary of Battery Life

  • Uses a Nickel Metal Hydride battery
  • 56 minutes of usage time or 14 days usage based on 2 cleans a day
  • Takes up to 48 hours to charge fully
  • A charger included in the box
  • Works on 110-240 volts
  • Green battery indicator indicates high charge
  • Yellow battery indicator indicates low charge

Price

As you probably know, most products have a recommended retail price (RRP).

The Sonicare 2’s RRP is £74.

It is quite common to see the actual selling price lower than the RRP, although Sonicare brushes tend to command a higher price than the competing brands.

Sadly the savings to be had here are slim and we are talking a few pounds rather than tens of pounds.

At the time of writing the best price for one variant was £70, just a £4 saving.

Here at Electric Teeth we like to work out approximately the cost of ownership over a 3 year period.

Whilst typically a toothbrush will last longer than 3 years, it is a minimum we have set to create a benchmark for value.

Within this calculation we take the purchase price and the cost of replacement brush heads that are required.

These themselves are not all that cheap on Sonicare models, working out currently around £5 per replacement head.

Using the £70 cost for the brush handle and factoring in £55  for replacement brush heads, the Sonicare 2 Series costs £125 over 3 years or £0.11 per day to own.

This does not include the water, toothpaste and electricity required to use this brush.

Overall this makes this brush quite expensive.

Sonicare’s newer model the Series 3 is actually cheaper, with a handle price nearer £50.

At the time of writing Oral-B’s flagship electric toothbrush with 6 cleaning modes, premium travel case and Bluetooth would work out at the same price. This is due to a special offer that has been running for the last 6 weeks, but it shows how there are better value deals out there.

If you can pick the Sonicare 2 up for much nearer £40 then the conclusion is somewhat different and this is now a much better value option.  So, do consider the price when you come to purchase it and make an informed decision.

As a general rule, the recommendation is to look at the Sonicare ProetectiveClean 4300 or the EasyClean, because they offer better value packages.  Although the 4300 is more expensive, it offers quite a bit more technically for little extra financially.

Please note that all costs quoted are approximates and prices will vary based on location, supplier, time of purchase.  These figures should not be relied on as hard fact but as a guide, based on real information at the time of writing.

Summary of Price

  • Recommended retail price of £74
  • Sold at virtually RRP
  • Brush heads are about £5 each
  • Works out at around £0.11 per day over 3 years
  • Not a good value purchase, better options exist

Reliability & Long Term Use

Here at Electric Teeth HQ, we like to ensure we really test the brushes we review.

We go hands on, get up close and use them to brush our teeth.

We use them like you, your brother, sister, mom, dad or great aunt might!

Should we notice any faults or everyday usability issues we will do our utmost to let you know about them in this review.

Specialist stress or testing equipment we do not have, so there is no lab testing here.  We are just everyday users like you, the only difference being, we have used a fair few more electric toothbrushes!

A slightly older battery technology is used within the handle so this could be a potential longer term weakness but used on electric toothbrushes for many years, there is no reason to be overly concerned.

The good news is that Sonicare are really reliable on the whole and rarely are problems encountered.

Conclusion

On the whole the Sonicare 2 Series is far from a bad brush.

It cleans well, has the basic functions you need and a battery life that is more than satisfactory.  Hey, it even comes with a battery status icon that some brushes simply don’t.

What lets the 2 Series down is the price.  It is just too expensive to really be considered justifiable against other brushes available today.

Spend a fraction more and you get the much better ProtectiveClean 4300.

Our Choice
Philips Sonicare ProtectiveClean 4300 Electric Toothbrush with Travel Case - Black (UK 2-pin Bathroom Plug) - HX6800/03
Philips Sonicare EasyClean Electric Toothbrush with Pro-Results Brush Head - HX6511/50 (UK 2-Pin Bathroom Plug)
Philips HX6251/40 Toothbrush Sonicare 2 Series With Proresults
Brush Name
Sonicare ProtectiveClean 4300
Sonicare EasyClean HX6511/50
Sonicare 2 Series
Customer Rating
Electric Teeth Rating
5/5
4/5
3/5
Price
£49.99
£33.89
£39.99
Prime
Our Choice
Philips Sonicare ProtectiveClean 4300 Electric Toothbrush with Travel Case - Black (UK 2-pin Bathroom Plug) - HX6800/03
Brush Name
Sonicare ProtectiveClean 4300
Customer Rating
Electric Teeth Rating
5/5
Price
£49.99
Prime
Philips Sonicare EasyClean Electric Toothbrush with Pro-Results Brush Head - HX6511/50 (UK 2-Pin Bathroom Plug)
Brush Name
Sonicare EasyClean HX6511/50
Customer Rating
Electric Teeth Rating
4/5
Price
£33.89
Prime
Philips HX6251/40 Toothbrush Sonicare 2 Series With Proresults
Brush Name
Sonicare 2 Series
Customer Rating
Electric Teeth Rating
3/5
Price
£39.99
Prime

Electric Teeth Rating

Size Guide

  • Height (without head) – 19cm
  • Height (with head) – 25cm
  • Width – 3.3cm
  • Thickness – 3.3cm
  • Weight (without head) – 135g
  • Weight (with head) – 140g

All are approximates

FAQ

  • Is the Sonicare 2 Series an oscillating brush?
    • No, it is not.
  • What cleaning modes does the 2 Series have?
    • Subject to the variant it has 2 cleaning modes normally, ‘Clean’ and ‘Massage’.
  • What brush head does it come with and what alternative ones can be used?
    • The supplied brush head depends on the variant purchased, it will be either a standard or compact ProResults brush head, a ProResults gum health or DiamondClean head.The brush handle does support all other Sonicare brush head styles available, sold separately.
  • Does the 2 Series have a pressure sensor?
    • No, it does not.
  • Does the 2 Series have Bluetooth?
    • No, it does not.
  • Does the Sonicare 2 Series come with a warranty & how long is it?
    • If purchased new from an approved retailer the 2 series will come with a 2 year warranty.
  • Does the 2 Series have a built in timer?
    • Yes.  At the end of a 2 minute cycle, the brush automatically turns off signalling the end of the cleaning time.  If you want to extend your clean, you will have to power the brush back on. It does also have a 30 second pacer also referred to as a quadpacer.  At 30 second intervals a slight pause in the brushing mode to tell you to change quadrants.  There are 4 quadrants to the mouth.
  • How long does the battery last?
    • The battery lasts up to 56 minutes, which if used on the standard clean mode, this is 14 days based on 2 cleans per day.
  • Does it come with a charger?
    • Yes, a charging station is included with the Sonicare 2 Series.
  • Can this be fixed to a wall?
    • The charging station has not been designed to be fixed to a wall.
  • Can I use the 2 Series in the shower?
    • Yes. The 2 Series is water resistant so if you choose you can use it in the shower.
  • Does it come with a travel case?
    • No, a travel case is not included in the box.

Related Posts

Your Opinions

Do you own or have you used the Philips Sonicare 2 Series

Are there certain features that you really like or dislike?

Let us know what you think about this brush and let others who may well be considering purchasing one know your opinions before they do.

Summary
Review Date
Reviewed Item
Philips Sonicare 2 Series Review
Author Rating
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Jon Love

About Jon Love

Jon is a leading voice on electric toothbrushes and has been quoted by mainstream media publications for his opinions and expertise.

Having handled & tested hundreds of products there really is very little he does not know about them.

Passionate about business and helping others, Jon has been involved in various online enterprises since the early 2000s.

After spending 12 years in consumer technology, it was in 2014 that he focused his attention on dental health, having experienced first-hand the challenge of choosing a new toothbrush.

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Leave a comment or question

2 thoughts on “Philips Sonicare 2 Series Review”

  1. Hi Jon, I bought this toothbrush at Superdrug 3 weeks ago at sale price £29.99 saving £44 which was a real bargain. I have used a couple of sonic brushes and found this one to be the best clean. I reviewed this before buying as I have a few dental implants and wanted to be sure it would be suitable. I ordered 4 of the philips mini brushes from Amazon £13 which I thought overpriced but got 4 compatible standard brushes for £5.99 from ebay which is fab value and they are great, so will be ordering these again. On the whole I am very pleased with my purchase, so glad I waited for the sales. Thank you for your review, very helpful.

    Reply
    • Hi Irene,

      Thanks for the feedback and comment.

      At £29.99 that sounds like a good price. Great to hear you are pleased with the purchase, that is most important.

      Reply
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