Rated "Excellent" on TrustPilot

NovaFlow: Sinus Clearing Device

Energizes cells to support clearer breathing
Safe for daily use, no chemical suppression
Relief lasts and builds over time
Clinically-studied red light technology

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NovaFlow: Sinus Therapy Device

(1,159+ Reviews)

info

How Does Red Light Help With Sinus Issues?

Most solutions work by forcing a chemical reaction in your body. Red light therapy works by delivering targeted wavelengths of light into the nasal passage, where they interact with cytochrome c oxidase, an enzyme inside your cells responsible for producing ATP — the energy your cells run on.

When your cells have more ATP, they're better equipped to regulate their own inflammatory response, controlling how nasal tissue reacts to irritants, allergens, and environmental triggers.

help

How Often Do I Use It?

We recommend using this device for 10 minutes at a time. For optimal results, use three times a day. Once your symptoms have improved, you may discontinue use, or continue using it as a preventive measure.

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How is NovaFlow Different From Other Red Light Devices?

Unlike generic devices or replicas of NovaFlow, every unit is manufactured to precise specifications and sent to an FDA-registered testing facility to verify that each wavelength is calibrated correctly and safe to use. NovaFlow delivers three clinically studied wavelengths: 660nm, 630nm, and 620nm — each targeting a different depth of nasal tissue.

Unverified devices scatter light at unverified wavelengths with no calibration standard, meaning you have no idea what you're putting inside of your nose

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Trusted by over 30,000+ chronic congestion sufferers

I can't praise the NovaFlow and Cleriva enough!

For just short of 2 years I've been seeing an ENT Dr about my sinuses and headaches. I've had cameras, drops, sprays, tablets the lot, and seemed to get around 20% relief. Then I came across the Cleriva NovaFlow. This device is keeping my sinuses clear and my headaches have gone! My ENT prescriptions were 20-30 pounds per visit and now I have no more prescription bills. I contacted Cleriva and they got back to me within the hour with a solution. Real people at the other end of the email, no automated response, just 100% help.

MG

Mrs. GGB · Verified Customer

First spring without antibiotics for sinus infection

I was skeptical of trying yet another solution for nasal congestion, sinus pain, and my springtime allergies. The last several years it seemed an inevitable cycle I couldn't break of sinus congestion that eventually led to needing antibiotics for secondary infections in both my sinuses and ears. Clariva is easy to use and definitely seemed to help. I added the device that shines into the ear canal and that ended up being my favorite. It helped that horrid itchy ear feeling that nothing else had! I'm glad I tried it.

EB

Ellen BergstromUS · Verified Customer

This is HOW customer service is done

My new unit stopped charging. I wasn't expecting the response I received and can honestly say this is HOW Customer Service is done. Maddy from Clarica responded quickly, listened to my dilemma and reacted so quickly and thoroughly I was amazed. Asked if I could provide a video showing my issue with charging, I did so and I'm receiving a replacement at no additional cost. WOW is all I can say. Other companies should learn from this, this is how you keep customers and grow a solid business.

SS

Shaun St. LouisCA · Verified Customer

A Breath of Fresh Air in every sense

I've suffered from rhinitis for as long as I can remember, along with persistent hayfever that typically lasts from March through to late October. Nasal congestion has always been a daily struggle. Since using the NovaFlow, I've noticed a significant improvement — my nasal passages feel clear, and I can breathe freely through my nose, which is something I haven't experienced in years. So far, I'm extremely happy with both the product and the service.

SB

Steve BurrowGB · Verified Customer

Relief from eustachian tube dysfunction

The nose piece has helped me tremendously. Prior to using it I always had something going on. I have eustachian tube dysfunction — very unpleasant condition. This device has really calmed my nose down and gotten me relief. On a road trip the cord went missing so no more red light for me. I emailed the company and the manager offered to send me a free one. I was shocked at how quick they responded and took care of the problem. Great product, great customer service.

BK

Bryan KrygierUS · Verified Customer

Fantastic product and customer service

I recently purchased the Novaflow and dealt with Maddy throughout who has been nothing short of brilliant and a real credit to the team. Initially our product had taken longer than expected to arrive — Maddy arranged a refund promptly without any delay and advised us to use the product should it arrive. She turned a real stressful situation into a relaxed one. If you think these guys are in anyway scammers, trust me they are not. A legitimate company with a real concern and compassion for their customers. Its 5 stars from us.

DQ

Declan QuinnGB · Verified Customer

Day 1

First Session

Red light begins working on inflamed sinus tissue
Circulation inside the nasal passage starts to improve
Most users feel a noticeable difference within minutes

Day 3

Breathing Gets Easier

Nasal passages feel noticeably more open
The fog that was clouding your brain starts to lift
Sleep quality begins to improve as airways clear

Day 14

Breaking the Cycle

Most users stop reaching for their sprays entirely
Inflammation starts reducing at the cellular level

Day 30

Clear Nose Day and Night

Breathing the way it was supposed to feel
Energy and focus noticeably improved
A clear airway that compounds over time, not diminishes

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Clinically Studied Technology

70% vs 3%

Double-blind placebo-controlled RCT 660nm red light produced verified nasal improvement in 70% of patients and only 3% for the group who received uncalibrated light.

679

patients across 13 independent clinical trials showed measurable nasal symptom improvement after intranasal red light therapy.

25

studies confirmed red light significantly reduced nasal symptoms in a 2021 systematic review.

4/4

core nasal symptoms improved: congestion, sneezing, runny nose, nasal itching — all four improved significantly.

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120-day money back guarantee

Who Is NovaFlow For?

Red light therapy works at the cellular level, which means it supports the biology behind most chronic nasal conditions.

If your congestion has been a daily fixture for months or years, it's likely not a simple allergy problem. Chronic nasal inflammation means your cells are stuck in a cycle they don't have enough energy to break out of on their own. NovaFlow delivers red light directly into the nasal passage to support ATP production at the cellular level — giving your nasal tissue the energy it needs to regulate its own inflammatory response over time.

Post-nasal drip is a symptom of ongoing nasal tissue irritation — your body producing excess mucus in response to inflammation it can't resolve. Antihistamines can reduce the signal, but they don't address the underlying cellular environment driving the response. NovaFlow supports the cells responsible for that inflammatory process, giving them the energy to manage it naturally rather than just suppressing the symptom.

When allergens enter your nasal passage, they trigger an inflammatory response in the tissue lining. The more depleted your cells are, the harder it is for your body to regulate that response — which is why allergy season feels worse every year for so many people. NovaFlow supports cellular energy production in the nasal tissue, helping your cells manage their own inflammatory signaling without sedation, without a prescription, and without building a tolerance over time.

Nasal congestion is one of the most common reasons CPAP users can't tolerate their mask — when your airway is partially blocked, pressurized air leaks and the machine can't do its job. Even without a CPAP, congestion forces mouth breathing at night, which disrupts sleep quality and leaves you exhausted regardless of how many hours you get. NovaFlow supports clearer nasal passages so your airway can stay open through the night the way it was designed to.

NovaFlow won't fix a deviated septum — that's a structural issue that only surgery can address. But a deviated septum doesn't just restrict airflow on its own. It creates turbulence in the nasal passage that irritates tissue over time, leading to chronic inflammation layered on top of the structural problem. That inflammation is what makes symptoms so much worse than the anatomy alone would cause — and that's exactly where red light therapy can support your body's own cellular response.

The Numbers Speak for Themselves

When your cells have the energy they need, your body does the rest. Here's what our users experienced.

87%

Noticed an improvement in nasal congestion

after using NovaFlow consistently for 30 days

62%

Reduced or stopped using nasal sprays entirely

after adding NovaFlow to their daily routine

68%

Felt a difference within their first week

with many noticing a change within the first few sessions

76%

Reported better sleep quality and clearer breathing through the night

after using NovaFlow as part of their nightly routine

94%

Prefers NovaFlow as their go-to congestion relief solution

over sprays, rinses, and other devices they had tried before

*Results are based on a 30 day independent consumer study with 100 participants using the NovaFlow 3x a day.

Upgrade Available Pre-Order · Sale Ends July 31st

Dual-Light Sinus Therapy

NovaFlow 2.0

The only at-home device that pairs 660nm red light with antibacterial blue light — so you can breathe through your nose again. Drug-free, in 10 minutes a day.

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Our Story

Built Because Nothing Else
Actually Worked

The science behind intranasal red light therapy has been around for decades. So we kept asking: why isn't this everywhere? The only place to get it was a clinic — and every at-home device we tried just didn't work. That's why we built NovaFlow: red light therapy that's actually designed to deliver. Step into the world of red light, and feel the relief for yourself.

The Cleriva Team

Got Questions

Frequently Asked Questions

Some users feel relief quickly, but red light therapy is designed to work over time. Instead of masking symptoms, it helps support your cells, so results can vary from person to person. And if you don't get the relief you're looking for, you're covered by our 120-day money-back guarantee.

Yes, NovaFlow comes with soft silicone sleeves that fit most nostrils comfortably. But if your nostrils are smaller, you can use it without the sleeves for a better fit.

Absolutely. Many users with deviated septums find that NovaFlow helps with their symptoms by improving airflow. Just know it won't fix the structural issue itself, but it can be used to help manage the symptoms that arise.

Yes. The silicone tips rest gently inside your nostrils. They don't create a seal or block airflow, so you breathe completely normally while the session lasts.

NovaFlow is designed with safety in mind, using calibrated red light therapy with no UV or harmful emissions. Red light therapy is generally safe for children over the age of 3. We always recommend consulting with a doctor just to be safe, especially if your child has any pre-existing conditions or sensitivities.

No, the light is projected directly inside your nasal passages. Most people use it right before bed with no issues affecting their sleep. However, if you have sensitive eyes, we recommend picking up a pair of protective glasses here.

Yes, the device is USB rechargeable with no batteries needed.

No, the device doesn't emit any heat, and you won't feel the light during use. It's designed to be comfortable, even for sensitive users.

Every purchase is backed by a 120-day money-back guarantee with free refunds — because your trust means everything to us.

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