RetainFresh ™
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This product is not available on Amazon or eBay. You are purchasing directly from the only authorized seller — which means full warranty, verified authenticity, and dedicated customer support. Beware of counterfeit listings on third-party marketplaces.
How It Works
How It Works
- Fill & Place: Add water to the tank, drop in your dental appliance, and secure the lid in seconds.
- One Touch, Full Clean: Press the single button to activate simultaneous ultrasonic waves and UV sterilization for a complete 5-minute cycle.
- Rinse & Wear: Remove your fresh, bacteria-free appliance, give it a quick rinse, and you're ready to go.
What's Included
What's Included
- RetainFresh Ultrasonic UV Cleaner Unit
- USB Charging Cable
- Protective Travel Case
- Quick-Start User Guide
Shipping & Returns
Shipping & Returns
We offer free shipping for all orders. Once your item/s is dispatched,
the estimated delivery time is:
- USA: 2-9 business days
- UK: 5-13 business days
- Australia: 5-13 business days
- Canada: 2-12 business days
- Europe: 5-13 business days
You have 90 days to return your product for a full refund.
RetainFresh
Professional Dental Hygiene, Now Built for Your Home
Millions of Bubbles Blast Hidden Biofilm
RetainFresh fires 42,000 Hz waves imploding nano-bubbles in grooves your brush never reaches. Biofilm and odor sources blast loose without scrubbing.
UV Light Kills What the Bubbles Miss
RetainFresh's 254nm UV LEDs damage bacterial DNA once cavitation lifts the debris. Your appliance comes out sanitized with no chemical residue.
5-Minute Hands-Free Cycle
One button starts a full cycle and the unit auto-shuts at five minutes. Drop RetainFresh in during your routine and come back to a fresh tray.
Universal Appliance Compatibility
Designed to work safely with retainers, clear aligners, mouthguards, and full dentures. One device covers every appliance in your household without risk of damage.
What our 17,000+ Customers say
Based On Real and Honest Experiences
I kept brushing my retainer every day and it still had that white film and smell by day five. A week into using RetainFresh and my only complaint is that I did not get one sooner — it comes out crystal clear every single morning.
I wear a night guard every night and used to scrub it every morning — it never felt truly clean. Three years of daily use and RetainFresh still works perfectly, keeps the guard spotless, and it's quiet enough to run while I get ready. Compact enough to travel with too.
I'll be honest — I thought a gadget this small couldn't do much. I was wrong. RetainFresh cleaned staining off my aligners that weeks of soaking tablets never touched. I now recommend it to everyone in my Invisalign group. Skeptic officially converted.
Frequently Asked Questions
Is an ultrasonic cleaner actually better than brushing or soaking tablets?
Is an ultrasonic cleaner actually better than brushing or soaking tablets?
Brushing misses biofilm in micro-scratches — that's what clouds trays by day five. RetainFresh cavitation implodes inside every groove, blasting loose film and odor your brush can't reach.
How often should I clean my appliances with RetainFresh?
How often should I clean my appliances with RetainFresh?
Daily use is ideal. Running a cycle each morning takes only 5 minutes and prevents bacteria from accumulating on your appliances overnight, keeping your oral hygiene consistently at its best.
Do I need special cleaning tablets or solutions?
Do I need special cleaning tablets or solutions?
Plain water works fine on its own. That said, pairing RetainFresh with dental cleaning tablets can boost results even further — especially for appliances with heavier buildup or persistent odors.
Will RetainFresh stop working after a few months like some cheaper units?
Will RetainFresh stop working after a few months like some cheaper units?
Cheap units with thin plastic and weak transducers fail within months. RetainFresh uses proper sealing and a calibrated transducer built for daily home use — real users running quality ultrasonic pods report one to three years of reliable use.
Will RetainFresh damage my retainer or aligners over time?
Will RetainFresh damage my retainer or aligners over time?
Not at all. The ultrasonic frequency and UV intensity are precisely tuned to break down bacteria and debris without affecting the structural integrity or surface finish of your appliances.
Can I take RetainFresh when I travel?
Can I take RetainFresh when I travel?
Absolutely. Its compact footprint fits easily in a toiletry bag, and it charges via a standard USB cable — so you can keep your hygiene routine on track whether you're at a hotel or on the road.
Does it actually remove the white film and bad smell, or is that just marketing?
Does it actually remove the white film and bad smell, or is that just marketing?
Film and odor come from biofilm in micro-scratches your brush can't reach. RetainFresh cavitation implodes in those grooves while UV neutralizes bacteria — users report trays staying clear through day ten of a fourteen-day cycle.
Do dentists recommend this type of cleaning?
Do dentists recommend this type of cleaning?
Yes. Dental professionals regularly advocate for ultrasonic and UV cleaning because it removes what manual scrubbing misses. RetainFresh brings that same professional-level standard directly to your countertop.