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Philips Sonicare DiamondClean Smart 9700 Rechargeable Electric Power Toothbrush, Lunar Blue, HX9957/51

4.4 4.4 out of 5 stars 1,833 ratings

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Product Certification (1)

GreenCircle Certified: Certified Environmental Facts Label GreenCircle Certified: Certified Environmental Facts Label

GreenCircle certifies that a product has a verified carbon footprint reduction through improvements in the raw materials used to make the product or in the manufacturing operation. These reductions are represented in GreenCircle's Certified Environmental Facts (CEF) label.The CEF label is a multi-attribute label that highlights sustainability achievements. It tells the complete sustainability story of products and manufacturing operations. Every attribute on the CEF label is third-party certified.

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Climate Pledge Friendly

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Lunar Blue
3 Piece Set

Purchase options and add-ons

Brand Philips Sonicare
Age Range (Description) Adult
Special Feature Pressure Sensor, Rechargeable
Power Source Corded Electric
Item Firmness Description Firm

About this item

  • Complete oral care with smart sensor technology for an exceptional clean
  • Removes up to 10x more plaque and improves gum health up to 7x in just 2 weeks (in Gum Health mode vs. a manual toothbrush)
  • Removes up to 100% more stains in just 3 days (in White+ mode vs. a manual toothbrush)
  • 4 different smart brush head types automatically pair with the appropriate brushing mode and smart sensors provide real time feedback
  • 5 modes: Clean, White-plus, Deep Clean-plus, Gum Health, TongueCare & 3 intensity levels
  • Includes: 1 Connected Sonicare toothbrush handle with 5 modes; 3 Premium Plaque Control brush heads; 2 Premium White brush heads; 2 Premium Gum Health brush heads; 1 TongueCare-plus brush head; 1 charging glass; 1 premium charging travel case; 1 wall plug
  • Subscribe & Save on genuine Philips Sonicare brush head replacements and save up to 15%.

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Sustainability features

Sustainability certifications

Products with trusted sustainability certification(s).

Product Certification (1)

GreenCircle Certified: Certified Environmental Facts Label GreenCircle Certified: Certified Environmental Facts Label

GreenCircle certifies that a product has a verified carbon footprint reduction through improvements in the raw materials used to make the product or in the manufacturing operation. These reductions are represented in GreenCircle's Certified Environmental Facts (CEF) label.The CEF label is a multi-attribute label that highlights sustainability achievements. It tells the complete sustainability story of products and manufacturing operations. Every attribute on the CEF label is third-party certified.

Learn more about this certification

Part of
Sustainability features
Climate Pledge Friendly

From the manufacturer

man brushing teeth while looking at phone
blue tooth brush and black brush head
person holding handle of a dark blue toothbrush
six extra brush heads premium usb travel case charging glass sonicare app
Philips Sonicare ExpertClean 7500 Philips Sonicare DiamondClean 9300 Philips Sonicare DiamondClean 9500 Philips Sonicare DiamondClean 9700 Philips Sonicare DiamondClean 9750
Philips Sonicare ExpertClean 7500 Philips Sonicare DiamondClean 9300 Philips Sonicare DiamondClean 9500 Philips Sonicare DiamondClean 9700 Philips Sonicare DiamondClean 9750
Customer Reviews
4.5 out of 5 stars
10,364
4.6 out of 5 stars
4,120
4.5 out of 5 stars
4,367
4.4 out of 5 stars
1,833
4.5 out of 5 stars
1,878
Brushing Modes 1. Clean 2. White 3. Gum Health 4. Deep Clean+ 1. Clean 2. White 3. Gum Health 4. Deep Clean+ 1. Clean 2. White+ 3. Deep Clean+ 4. Gum Health 5.Tongue Care 1. Clean 2. White+ 3. Deep Clean+ 4. Gum Health 5.Tongue Care 1. Clean 2. White+ 3. Deep Clean+ 4. Gum Health 5.Tongue Care
Pressure Sensor Vibration Vibration + Light Vibration + Light Vibration + Light Vibration + Light
Connects to Sonicare App
Smart Sensors Brushing Time, Frequency, Pressure Brushing Time, Frequency, Pressure, Location, Scrubbing Brushing Time, Frequency, Pressure, Location, Scrubbing Brushing Time, Frequency, Pressure, Location, Scrubbing Brushing Time, Frequency, Pressure, Location, Scrubbing
Travel Case Charging Travel Case Premium Travel Case Charging Travel Case Charging Travel Case Charging Travel Case
Brush Heads 2 3 4 8 4
Premium Charging Glass
Brush Head Holder

Product Description

Get the ultimate and most complete care with DiamondClean Smart. Eliminate guesswork with real time feedback and personalized coaching so you can improve your technique and achieve 100% confidence in your oral care. It's more than just a toothbrush - it's a complete oral care solution. Featuring Sonic technology, 5 brushing modes and smart brush head mode pairing technology, the Philips Sonicare DiamondClean Smart Rechargeable toothbrush delivers superior plaque removal, gum health and whitening performance. Philips Sonicare DiamondClean Smart goes beyond traditional cleaning to deliver up to 10x more plaque removal*, removes 100% more stains in just 3 days** and improve Gum Health up to 7x in just 2 weeks*** . It also features a visual pressure sensor to alert you when you are brushing too hard. Customize your brushing experience using the 5 different modes and 3 intensity settings and know when to replace your brush head via a customized reminder. An elegant charging glass can be used for charging or rinsing your mouth after brushing. A USB charging travel is also included to charge your toothbrush on the go. *vs. a manual toothbrush ** vs. a manual toothbrush in white+ mode *** vs. a manual toothbrush in Gum Health mode. Subscribe & Save on genuine Philips Sonicare brush head replacements and save up to 15%.

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 4.72 x 9.29 x 10.23 inches; 3.19 Pounds
  • Item model number ‏ : ‎ HX9957/51
  • Batteries ‏ : ‎ 1 A batteries required. (included)
  • Date First Available ‏ : ‎ March 26, 2017
  • Manufacturer ‏ : ‎ Philips Oral Healthcare
  • ASIN ‏ : ‎ B06XT1CRYZ
  • Customer Reviews:
    4.4 4.4 out of 5 stars 1,833 ratings

Product guides and documents

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Philips Sonicare DiamondClean Smart 9700 Rechargeable Electric Power Toothbrush, Lunar Blue, HX9957/51
Philips Sonicare DiamondClean Smart 9700 Rechargeable Electric Power Toothbrush, Lunar Blue, HX9957/51
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Price-18% $279.99
List:$339.96
-14% $172.95
List:$199.96
-10% $89.96
List:$99.99
$399.99$79.96-29% $119.97
List:$169.99
Price Per Unit$279.99 / Count$172.95 / Count$89.96 / Count$399.99 / Count$79.96 / Count$119.97 / Count
Delivery
Get it Mar 25 - 28
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Customer Ratings
Value for money
3.2
3.8
4.7
3.6
3.9
Battery life
3.9
3.8
4.3
4.0
For traveling
4.1
3.9
4.4
Sold By
Woot
Aventura Mall
Amazon.com
Amazon.com
Amazon.com
Amazon.com
power source
Corded Electric
Corded Electric
Battery Powered, Electric Powered
Corded Electric
Battery Powered
Corded Electric
operation mode
Semi-Automatic
Automatic
Semi-Automatic
Automatic
Automatic
Automatic
number of settings
5
4
3
7
3
5
target audience
Unisex-Adults
Unisex-Adults
Unisex-Adults
Unisex-Kids
Unisex-Adults
handle material
Plastic
Plastic
Plastic
Plastic
Plastic
Plastic
weight
3.19 pounds
1.79 pounds
1.1 pounds

Important information

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Customer reviews

4.4 out of 5 stars
4.4 out of 5
1,833 global ratings

Customers say

Customers like the cleaning capabilities of the toothbrush. They say it does a great job at cleaning your teeth, gums, and tongue. They also appreciate the appearance, and app. However, some customers have reported issues with the battery life. Opinions are mixed on quality, value, ease of use, and charging.

AI-generated from the text of customer reviews

88 customers mention88 positive0 negative

Customers are satisfied with the cleaning of the toothbrush. They mention that it does an efficient job of cleaning their teeth, gums, and tongue. The tongue cleaner is amazing, and the number of replacement heads is top notch. The toothbrush itself does a great job at brushing your teeth, and customers love the levels of clean. Overall, they say it encourages them to brush better and has changed some bad brushing habits.

"...Once the cycle is finished it tells me I did a fabulous job. It reminds me to rinse, floss, and use mouthwash...." Read more

"...Feels clean, feels good, and does not feel uncomfortable at all. My first experience with it was during travel...." Read more

"...The biggest difference I've noticed is that the facets of my teeth are clean in a way that simply isn't possible to achieve with a manual toothbrush...." Read more

"...My teeth have had significant improvement in just 1 week of ownership and using it twice a day...." Read more

32 customers mention32 positive0 negative

Customers are satisfied with the appearance of the toothbrush. They mention that it looks amazing, has a classy display of the contents, and is surprised at the design improvements. They also appreciate the navy and rose gold coloring, and the fact that the handle recognizes which brush you are using. Overall, customers are happy with the product's appearance.

"...surprised of the quality of not only the packing, but the classy display of the contents and the quality of the materials...." Read more

"...The case is not just sleek and gorgeous, but is high quality and even charges via a USB port that is safely tucked away...." Read more

"...Tongue scraping brush head twice a day. The toothbrush design is sleek. I love the travel case and it was recently used on a vacation...." Read more

"...And it's a very good LOOKING product too...." Read more

21 customers mention17 positive4 negative

Customers like the app that comes with the toothbrush. They say it's helpful, works great to create good habits, and gives great feedback. They also say the app is comprehensive and can help motivate people with goal selection. Customers also mention that it'll help them keep track of where they're brushing and make sure they'd brush in the right areas. Overall, customers are happy with the app and recommend it to others.

"...The companion smartphone app is comprehensive and can help motivate some folks with goal selection and other wizardry while you brush...." Read more

"...It is nice for keeping track where you are brushing and helping you make sure your getting your pressure and angle right...." Read more

"...thought that the app would be entirely useless but it is actually super helpful...." Read more

"...The app is also very handy, unless you already use a timer you don’t know how much time you’re spending on each section of your mouth...." Read more

251 customers mention141 positive110 negative

Customers are mixed about the quality of the toothbrush. Some mention that it does a good job, is a great product, and is amazing. However, others say that it was faulty after a short time, started eroding, and ultimately failed. They also mention that the toothbrush has enough design and functional flaws that make it appear more like it's a knock-off.

"...When I opened up the package, I was quite surprised of the quality of not only the packing, but the classy display of the contents and the quality..." Read more

"...In the end, the toothbrush just stopped working one month after the manufacturer's warranty. So that's $300 lost!..." Read more

"...My first experience with it was during travel. The case is excellent and convenient with a USB to charge and can be secured in the case...." Read more

"...The case is not just sleek and gorgeous, but is high quality and even charges via a USB port that is safely tucked away...." Read more

76 customers mention28 positive48 negative

Customers are mixed about the value of the toothbrush. Some mention that it's worth the price, while others say that it is overpriced. The replacement heads are a bit more expensive. Some say that the price hurts a little but you are getting what you are paying for. Overall, opinions are mixed and it'd be best to read reviews before making a purchase.

"...These replacement heads are a bit more expensive, but after paying so much for my implants, I find this to be well worth it...." Read more

"...The cost is well worth it." Read more

"...This toothbrush is very expensive but worth every penny!..." Read more

"For what one gets with this toothbrush, it is completely overpriced...." Read more

35 customers mention20 positive15 negative

Customers have mixed opinions about the ease of use of the toothbrush. Some find it easy to use and track, while others say the app is painful to navigate and overly complicated. The app is also buggy and takes forever to start.

"...what I was used to definitely was an awkward feeling - yet it was quite pleasant...." Read more

"...and has enough bugs and other quirky things that make it rather annoying to use for more than just a week or so...." Read more

"...The app itself is quite simple (kind of disappointing between what I expected and what it does)...." Read more

"...The app is painful to navigate, the registration system is revolting, and the customer service when called is embarrassing when compared to the..." Read more

27 customers mention9 positive18 negative

Customers are mixed about the charging of the toothbrush. Some mention that it's convenient with a USB to charge and can be secured in the case, while others say that it refuses to charge.

"...I have done it twice. However, it just recently stopped charging. At first I would have to move it around a bit. Then, nothing I did would help...." Read more

"...The case is excellent and convenient with a USB to charge and can be secured in the case...." Read more

"...I suspect that’s why it stopped charging...." Read more

"Refuses to charge, I can’t believe a $50 oral b tooth brush can figure out but a $300 tooth brush can’t..." Read more

54 customers mention11 positive43 negative

Customers are dissatisfied with the battery life of the toothbrush. They mention that it lasted 4 days before dying completely, making a strange vibrating sound, and shutting itself off. Some say that the battery just died for no apparent reason after three years of use. They also mention that the toothbrush stops and starts multiple times during use and breaks after 7 months of use, with the SoniCare app sometimes closing randomly during use.

"...It then lasted 4 days before dying completely with what looks like a fatal error. (and looking like the video when I attempted to charge it.)..." Read more

"...That started causing some sporadic behavior including just randomly turning on throughout the day. I'm not entirely sure what caused that hole...." Read more

"...with the older one, this newer model immediately started breaking down more quickly...." Read more

"...The battery life is phenomenal, I’ve taken it on a week long trip and it maintained a full charge without having to recharge, brushing twice a day...." Read more

The number different brush settings is fine for those who would use it (I think those ...
4 Stars
The number different brush settings is fine for those who would use it (I think those ...
I've used two older versions of Sonicare toothbrushes in the past and so this is my 3rd one. Why Sonicare as opposed to the competition? I prefer a larger brush head.Here's my cursory review of the flagship Sonicare model that comes bundled with all the extras:The Toothbrush:It works as expected. The number different brush settings is fine for those who would use it (I think those who are prone to be a bit more OCD would use all the settings), though I imagine a good 90% of the rest would just keep it on one setting for most of the time. The handle has a good weight to it, fits well in the hand, and generally brushes pretty darn well! The indicator light that blinks when you are applying too much pressure while brushing is at the end other end of the handle and therefore you'll never see it unless you're directly in front of the mirror. It would have been better if it made an audible sound in addition to the blinking lights.The bundleThe premium that you'd pay to buy the 9700 model is the travel case, the extra brush heads, and the training app.Now, I bought this model specifically because I was interested in the training app. So I'll write a bit about that here. It trains you on the basics on how to brush your teeth. It may be that you've been doing it somewhat incorrectly all your life and now here's your chance to have an app monitor your performance- how cool is that! Well, I used it and find that the app does help you with the basics of how long you should brush and which areas you may want to provide more brush coverage. These two factors alone should be enough to offset some of the other things that the app doesn't do quite as well in, right? Well, the app rather new and has enough bugs and other quirky things that make it rather annoying to use for more than just a week or so. In fact, I stopped using the app after about 10 days. I'm sure they will improve the app but for now, I'd hazard a guess and assume that most users will not continue using the app for more than just a few weeks at most. I hope they will improve the app as there's real promise it what it can potentially do. But for now, it has enough design and functional flaws that make it appear more like it's a beta release rather than a product I paid a premium for. I'm sure Philips will continue to improve the app so that it's more usable.The travel chargerThis was one of the other reasons I paid a premium to purchase this model. However, I must say that the Philips design team must have been asleep when they came up with the design for the charger. A travel charger is meant to be portable and lightweight. This monstrosity weighs three times more than it needs to, is super-bulky, and on top of that, the innards are totally closed in cheap plastic. So a product you'll put in your mouth that gets wet, you're supposed to then stick in a totally enclosed piece of heavy plastic and carry it with you while you travel- just how hygienic is that?? It has a built in charger and as of now, I'd rather carry around the equally poorly designed metal ring base to charge the unit while I travel. Neither of the two options are ideal of course and therefore I hope Philips will reconsider redesigning the terrible travel charger.Would I buy this product again?The answer is yes! I'm certain that Philips will continue to improve the app to make it more usable. Maybe with the next version, they willl have worked out the issues to make it more usable and useful for people to use for more than a week. Also, I hope they come out with a decent travel charging case that is 1) hygientic 2) lightweight 3) not bulky. But for now, it's still the best electric toothbrush around. 5 stars for the toothbrush and -1 star for the poorly designed travel charger and the beta version of the brushing app.
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Top reviews from the United States

Reviewed in the United States on November 19, 2017
Color: Lunar BlueSize: 3 Piece SetVerified Purchase
25 people found this helpful
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Reviewed in the United States on June 24, 2019
Color: Lunar BlueSize: 3 Piece SetVerified Purchase
4 people found this helpful
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Reviewed in the United States on April 28, 2022
Color: Lunar BlueSize: 3 Piece SetVerified Purchase
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5.0 out of 5 stars How much are your teeth worth?
Reviewed in the United States on April 28, 2022
I’ve already lost most of my teeth due to medications and genetics. I’m trying to keep my remaining teeth as healthy as possible while still being gentle but thorough on my very expensive implants. This is one of the best Sonic toothbrushes I’ve ever owned. It does exactly what I need it to, doesn’t make my gums bleed like others have, and has so many more features that make it a worthwhile purchase. The charger is cute/stylish while still being useful by adding a glass cup to rinse your mouth with. The case is not just sleek and gorgeous, but is high quality and even charges via a USB port that is safely tucked away. No need to bring a bulky charger with me anymore. Now for the reason I chose this one: (it wasn’t just the nice color) it has an app that shows you where you need to focus to get a better clean and how well you are doing. These replacement heads are a bit more expensive, but after paying so much for my implants, I find this to be well worth it. I’m shown how long I should brush which sections, if I’m missing an area in my mouth, if I’m brushing too hard. Over all, if you care about your teeth and don’t want to end up with a mouth full of cavities and fillings or worse: dentures, invest in this toothbrush.
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Top reviews from other countries

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Edgar
5.0 out of 5 stars Excelente producto
Reviewed in Mexico on January 7, 2020
Color: Lunar BlueSize: 3 Piece SetVerified Purchase
2 people found this helpful
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Chris
5.0 out of 5 stars Excelente compra
Reviewed in Mexico on December 19, 2019
Color: Lunar BlueSize: 3 Piece SetVerified Purchase
One person found this helpful
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SAMI
5.0 out of 5 stars Excelente producto muy recomendable
Reviewed in Mexico on June 16, 2019
Color: Lunar BlueSize: 3 Piece SetVerified Purchase

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