Philips Sonicare HX9332 DiamondClean Review

Philips Sonicare DiamondClean HX9332The Philips Sonicare HX9332 DiamondClean is a brand new electric toothbrush that just recently hit the market, and it comes equipped with several unique features. Philips has made an effort to make this one of the most innovative and modern electric toothbrushes available today, including features such as USB charging, a conductive charging glass, as well as unique & revised DiamondClean brush heads. It does come at a rather considerable price, so let’s take a detailed look at it to see if it’s worth the price tag.

Philips Sonicare HX9332 DiamondClean at a Glance

  • Sonic toothbrush — Up to 31,000 brush strokes per minute, and sonic technology drives fluids into the tight spaces of teeth to clean better
  • Two brushing timers — SmartTimer and QuadPacer helps you clean all areas of your mouth throughly
  • Five brushing modes — Clean, Whitening, Polish, Gum Care & Sensitive
  • Includes — Two DiamondClean brush heads (one standard, one compact), USB charging travel case, and charging glass
  • Dual charging system — charges with both a conductive charging glass as well as with USB technology

Cleaning Ability of the Sonicare DiamondClean

The most important aspect of any electric toothbrush is the cleaning ability. The DiamondClean is a sonic toothbrush, meaning it uses sonic technology to greatly increase the cleaning ability when compared to a regular electric toothbrush.

Sonic technology works by using very quick sweeping motions which drive fluid into the tight areas of the teeth that regular electric toothbrushes miss. It also helps clean along the gum line, and will have up to 31,000 brush strokes per minute — try doing THAT with a regular toothbrush. ;)

The DiamondClean has a total of 5 different cleaning modes:

  • Clean mode is your regular, everyday cleaning mode. This is the standard 2-minute cycle which you will be using most of the time. It works very well for what it’s intended for.
  • White mode is basically a longer version of the clean mode, which is meant to give a deeper cleaning to the teeth in order to remove stains and brighten them.
  • Polish mode is a quick, 1-minute cycle meant to help polish and brighten your teeth.
  • Gum care mode is a long, three-minute cycle that improves your gum health.
  • Sensitive mode is ideal for those with sensitive teeth and gums, or those that don’t like how a regular electric toothbrush feels.

No matter what your preference is, you can come up with a unique brushing regimen that fits you perfectly. The Philips Sonicare HX9332 DiamondClean does an excellent job at cleaning teeth, and will leave you with a “dentist clean” feeling every time you use it.

Great for Newcomers to Sonic Toothbrushes

If you’ve never used an electric or sonic toothbrush before and have concerns that the vibrations might be overwhelming for you, then Philips has thought of you when designing the DiamondClean.

The Easy-Start feature starts the brushing power at a low setting at first, and then gradually increases it over the next 14 brushing sessions, or 1 week. This gives you the opportunity to get used to the idea of using a sonic toothbrush. This is a very nice feature to have, because it can be a bit surprising how powerful the vibrations of an electric toothbrush like this can be.

If you are already used to using electric toothbrushes, you can bypass the easy-start feature to get the full power of the toothbrush on day one.

The DiamondClean Brush Heads

The DiamondClean comes with two special DiamondClean brush heads: one standard, and one compact. The DiamondClean brush heads have angled diamond bristles which are arranged in a unique, high-density bristle field. They are specially designed to clean plaque and lift stains that have accumulated on the teeth. In fact, when used in conjunction with the DiamondClean toothbrush, it’s said to clean up to 100% more plaque than a regular toothbrush, and will brighten teeth in just one week.

The DiamondClean heads are some of the best I’ve ever come across, by far.

Conductive & USB Charging Options of the Philips Sonicare HX9332 DiamondClean

One of the big and neat aspects of the Sonicare DiamondClean that Philips emphasizes is the modern charging options available to the toothbrush. The charging glass uses conduction technology to charge the toothbrush while it’s resting inside the glass — no plugs required! It’s a very convenient and easy way to charge your toothbrush, and the glass also doubles as a mouth rinsing glass when you remove it from the charging base. It’s a very nice touch, and something unique to electric toothbrushes.

Also unique to the Philips Sonicare DiamondClean is the USB battery charger, giving you the ability to charge the toothbrush’s battery through your computer’s USB port. If you travel, you can simply connect the USB charging case to your laptop and charge it that way. If you prefer, the charger can also plug into a standard wall outlet.

The battery should last about three weeks on a single charge, and the toothbrush’s handle has a battery indicator light that lets you know when the charge is running down. While the charging options available to travellers using the DiamondClean are nice, the battery lasts so long that you probably won’t get much use out of them unless you’re going on a long, extended trip.

The DiamondClean is Nice for Travellers

Philips Sonicare has kept travellers in mind when designing the DiamondClean, with a few features that make it convenient to take with you.

First of all, as mentioned before, the charging travel case stores and keeps secure your DiamondClean toothbrush, as well as the heads. This charging case can charge the toothbrush either through USB or through a standard power outlet, which is great for those that are out and about.

The DiamondClean also comes with a hygienic travel cap, which is designed to fit snugly around the toothbrush head. This not only protects the bristles from damage, but allows air to circulate within the travel cap to dry the brush head out.

Unfortunately, the designers neglected to give the travel case room to store the USB charging cord, nor will the brush fit into the travel case with the travel cap on, which is a bit of an annoyance. Hopefully Philips addresses these issues with future revisions of this sonic toothbrush.

Pros & Cons of the Philips Sonicare HX9332 DiamondClean


  • Easily one of the best electric toothbrushes available today
  • Sonic technology does an excellent job at cleaning the teeth
  • Unique DiamondClean brush heads seem to do a better job than other brush heads
  • Conductive charging glass is nice; charges without attaching to a base
  • USB charger is unique and useful for travellers with laptops


  • It’s a considerable investment, although you get what you pay for
  • It would have been nice if everything fit inside the travel case, but it’s not a big deal

Philips Sonicare DiamondClean: The Conclusion

What can I say? While this is a considerably pricey electric toothbrush when compared to others on the market, it really is one of the best electric toothbrushes money can buy. Philips Sonicare has put an effort into making this an electric toothbrush for the modern person, incorporating technologies like conductive and USB charging. On top of this, the DiamondClean brush heads coupled with the DiamondClean toothbrush itself offers an incredible cleaning of the teeth that’s sure to impress you.

If budget is not a concern, the DiamondClean is definitely an excellent electric toothbrush that I know you’ll like.

Best Price on the Philips Sonicare DiamondClean

Best Price Alert: As of Tuesday, Jul 14, 2020 the Philips Sonicare HX9332 DiamondClean can be purchased with free shipping and a huge discount from regular retail price on Amazon.

Click here to see the Philips Sonicare HX9332 DiamondClean on