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45,000Hz ultrasonic cleaning · Dentist recommended
Trusted by 100,000+ customers

Ultrasonic cleaner for aligners & retainers

Crystal clean dental appliances in 5 minutes. No scrubbing, no chemicals, no hassle.

45KHz Ultrasonic UV Sterilization 304 Stainless Steel
★★★★★
4.8 from 8,348 reviews
£59
£89 SAVE 34%

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COSMOPOLITAN HEALTHLINE DENTAL TRIBUNE BYRDIE ELLE

See the difference

Real results from real customers

Retainer with yellow buildup and plaque before ultrasonic cleaning
Same retainer looking crystal clear after one PureShell cleaning cycle

"One cycle and it looked brand new"

Sarah T.

Night guard with stains and mineral deposits before cleaning
Night guard restored to clean condition after ultrasonic cleaning

"Years of buildup, gone in 5 minutes"

Mike R.

Aligner with discoloration and calcium buildup before cleaning
Aligner looking brand new after 5-minute PureShell ultrasonic clean

"Finally, no more yellow stains"

Lisa M.

How it works

Three simple steps to a cleaner smile

Filling PureShell ultrasonic cleaner tank with tap water to the fill line
01

Fill with water

Add tap water to the fill line. That's it.

Placing a clear retainer into the PureShell ultrasonic cleaner
02

Drop in your appliance

Works with retainers, aligners, night guards, and dentures.

Sparkling clean retainer after ultrasonic cleaning cycle
03

Press start

5 minutes later, it's sparkling clean.

See it in action

Watch millions of ultrasonic bubbles do the work

"

After trying the PureShell myself, I now include it in all my aligner and retainer packages. It's the easiest way to keep appliances clinically clean.

Dr. James Crawford, orthodontist from London who recommends PureShell
Dr. James Crawford
Orthodontist, London

Customer reviews

Join thousands of happy customers

★★★★★

"So happy with this product. It cleaned my retainers really well. Just use a cleaning tablet with it and they come out sparkling."

JL
Jessica L.
Verified buyer
Customer photo
★★★★★

"Delivered as expected, with no fuss. The cleaner is exactly as described. It's sturdy and works very well for my night guard."

JW
James W.
Verified buyer
Customer photo
★★★★★

"In my opinion, it's worth much more than what it costs. The results are incredible — everything looks brand new after one cycle."

AR
Alex R.
Verified buyer
Customer photo
★★★★★

"The machine is great. Gets everything sparkling in just 3 minutes. I use it every night before bed and my retainers have never been cleaner."

FR
Felix R.
Verified buyer
★★★★★

"Excellent performance. Efficient and quiet. The UV sterilisation is a great bonus. I absolutely love it and recommend it to everyone."

YM
Yara M.
Verified buyer
Customer photo
★★★★★

"Delivery came quickly and the product became like new after one use. Very happy with the purchase. Worth every penny!"

SW
Sofia W.
Verified buyer
Customer photo
★★★★★

"Wow, this cleaner is really good. I love it! My aligners look brand new every morning. Best purchase I've made this year."

DV
David V.
Verified buyer
Customer photo
★★★★★

"Very good product. I can only recommend it! Easy to use and my dentures come out perfectly clean every single time."

HM
Hans M.
Verified buyer
★★★★★

"Works perfectly! I tested it with the aluminium foil test and it passed with flying colours. Powerful ultrasonic cleaning."

ER
Emma R.
Verified buyer
Customer photo
★★★★★

"Good product quality/price ratio. Everything as described. Good results on my retainers. Would definitely buy again."

MC
Maria C.
Verified buyer
★★★★★

"Works very well and it is so easy to use. Just fill with water, drop your retainer in, and press start. 5 minutes later — done!"

NE
Nina E.
Verified buyer
Customer photo
★★★★★

"Fast delivery, unbeatable price. The cleaner works as expected and my night guard has never been cleaner. Very satisfied!"

ST
Stefan T.
Verified buyer
★★★★★

"So far so good, it seems to work fine when tested. The build quality is solid and it looks great on the bathroom counter."

JO
Jack O.
Verified buyer
Customer photo
★★★★★

"Excellent, I use it for cleaning my aligner. The material is good quality and the ultrasonic waves really do their job."

LI
Laura I.
Verified buyer
★★★★★

"Really good, cleans the retainer very well. You only need water and it does all the work. Brilliant little machine!"

UB
Uma B.
Verified buyer
Customer photo
★★★★★

"Actually works! Straightforward instructions. Had it running in under a minute. My retainer came out crystal clear."

OW
Oliver W.
Verified buyer
Customer photo
★★★★★

"I bought it to clean my retainers that I use to sleep and it works fantastically. Much better than brushing with toothpaste."

SR
Sara R.
Verified buyer
★★★★★

"Fantastic device! Does your dental appliances really clean well. I'm amazed at the difference after just one cycle."

IS
Iris S.
Verified buyer
Customer photo
★★★★★

"Good purchase. It arrived quickly and works exactly as advertised. My whole family uses it now — retainers, dentures, even jewellery!"

PG
Paul G.
Verified buyer
★★★★★

"Really good product! Works great and looks nice on the countertop. The UV light feature is a great addition for extra hygiene."

MK
Marco K.
Verified buyer
Customer photo

What's Included

PureShell Cleaner
Power Adapter
USB-C Cable
User Manual

Questions?

What is ultrasonic cleaning technology? +

Ultrasonic cleaning uses high-frequency sound waves (45,000 Hz) to create microscopic bubbles in water. When these bubbles collapse, they produce tiny but powerful shockwaves that dislodge dirt, bacteria, and buildup from every surface—including microscopic crevices that brushes simply can't reach. This is the same technology used by dentists, jewellers, and medical professionals worldwide.

How is this better than brushing or tablets? +

Brushing can scratch and wear down your appliance over time, creating grooves where bacteria thrive. Cleaning tablets only work on the surface and often leave residue. Ultrasonic cleaning is 100% non-abrasive, reaches every microscopic gap, and removes 99.9% of bacteria in just 5 minutes—without any chemicals touching your appliance.

What can I clean with it? +

Retainers, clear aligners (Invisalign), night guards, mouth guards, dentures, and even toothbrush heads. If it fits, it cleans.

Will it damage my appliance? +

No. Unlike brushing, ultrasonic cleaning is completely non-abrasive. It's actually gentler than manual cleaning while being far more effective. The technology is safe for all dental plastics, acrylics, and even delicate wire retainers.

What are the technical specifications? +

Frequency: 45,000 Hz ultrasonic waves. Power: 25W. Capacity: 230ml stainless steel tank. Timer: 4 cleaning modes with digital display. Material: 304 food-grade stainless steel liner. Dimensions: 12cm × 12cm × 10.5cm. Input: 12V DC via USB-C. Features: UV sterilization, waterproof port cover, anti-slip base.

Do I need to add any cleaning solution? +

No! Just tap water. The ultrasonic technology does all the work. You can add a drop of dish soap for extra freshness, but it's completely optional. No expensive tablets or solutions required—ever.

What if I don't like it? +

You have 30 days to try it. If you're not happy for any reason, contact us for a full refund. No questions asked.

Ready for cleaner appliances?

Join 100,000+ customers who made the switch.

Get PureShell · £59

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PureShell Ultrasonic Cleaner ★★★★★ £59

Cleaning Tablets

Effervescent deep-cleaning tablets designed to boost your ultrasonic cleaner's performance.

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