Unfortunately, the device didn't work for me - it won't work for everyone and I'm apparently just one of those exceptions. However, the customer service has been phenomenal! Maddy has been exception... See more
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Review summary
Created with AI, based on recent reviews
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Reviews shaping this summary
I was having great sucess using the device. THEN, I had it on the kitchen counter and it was accidently dumped into the sink full of water unknowningly. Well it no longer worked. I contacted custo... See more
Excellent customer service - eventually! Thank you Coney. I ordered the NovaFlow, which, like others, I was a little sceptical about but it certainly works to clear sinus congestion. I the... See more
I was sceptical that this would work for long term sinus issues including a post nasal drip but this has helped me tremendously. I use it every day, up to 3 times if feel slightly blocked up and have... See more
Company details
Written by the company
At Cleriva, we create science-backed solutions that unlock the power of better breathing for deep sleep, laser focus, and lasting energy. Our mission is to elevate your quality of life by making better health effortless so you can feel your best every day.
Contact info
8605 Santa Monica Blvd., 90069-4109, West Hollywood, United States
- (800) 656-7687
- support@cleriva.com
- cleriva.com
4.6
Excellent
253 reviews
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This company invites their customers to review, whether positive or negative
Replied to 95% of negative reviews
Typically replies within 24 hours
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A sinus treatment that actually works!
This is the first thing that actually works to releave me from chronic sinus headache.
It does what no spray has everdone for me in 40 years!
I use it every day and I never had to take another pain killer for many months, even during allergy season. Truly a life changer.
16 October 2025
Unprompted review
Really helps me to breathe
Waiting for sinus surgery and this has helped so much. It clears my airways enough to allow me to breathe and do saline rinses. I was so worried that this would be the same as the cheap rubbish off amazon but I was thankfully very wrong. 100% worth the money
16 October 2025
Unprompted review
Reply from Cleriva
Hi Alan,
I’m really sorry for the trouble and the wait with your order. Your package took a bit longer to clear customs because of high shipment volumes, but I’m happy to let you know that your package is now moving forward.
The current status shows that it has already left the international sorting facility and is on its way to your destination. Once it arrives, Royal Mail will take care of the final delivery. As soon as they scan it into their system, you’ll start receiving updates along with the estimated delivery date.
I’ve also sent you an email with your tracking details so you can easily follow the progress of your package. I truly appreciate your patience, Margery, and I’m very sorry for the inconvenience this has caused. If you ever need help or have any questions, please don’t hesitate to reach out to us at support@cleriva.com and I’ll be more than happy to assist you.
Arrived broken!!!! Waiting for response
Have received these in a crushed box
They do not charge
Emailed waiting for response
Have received message saying they will replace
Fingers x will update once received
5 October 2025
Reply from Cleriva
Hi Jo,
I’m very sorry to hear about the condition your order arrived in. That’s definitely not the experience I want you to have. I’m really glad I'm able to sort things out for you right away.
I truly value you as our customer, and I'm hopeful that your complimentary replacement will reach you soon and without any further issues. I’ve also sent you an update with your tracking details so you can easily follow its progress.
If you need any support or have any questions, please don’t hesitate to reach out to us at support@cleriva.com. I’ll be more than happy to assist you, Jo.
Super helpful & kind support team
The help I received from the support manager was amazing.
I was really excited to receive this package and was very disheartened when I didn't for a long time.
It turned out to be because of delivery problems and my awful neighbours.
I got in contact with cleriva thinking there would be a slim chance they would be able help.
But to my suprise they were so extremely kind and communicative and were completely able to help/solve the problem! Even though the problem was not their fault at all.
They were super patient with my slow adhd responses too!
Very accommodating
What a genuinely thoughtful helpful company who actually care about the customers and the customer service they provide
Am yet to try the product but very excited to do so.
Thanks a bunch 😊
14 October 2025
Unprompted review
BUY IT!!
What a company.
I bought one of these as I have chronic sinusitis & was clutching at straws after trying all kinds of remedies. I kid you not, after two weeks I was really feeling the benefit but unfortunately my husband flushed the unit down the toilet - he has Alzheimer’s disease 😢
I reached out to the company asking if any special offers were planned as I couldn’t really afford another full price one & Coney Angel Arcilla, Cleriva Support Manager, contacted me to say she would arrange for a replacement to be sent free of charge. Her kindness has really given me a boost. On a genuine note this works & I would highly recommend it!
13 October 2025
Unprompted review
Cleriva product and Customer Service
I purchased a CLERIVA approximately four months ago and found it extremely beneficial. I suffer from allergies ie dust, animals and also suffer from hayfever and nosebleeds.
The CLERIVA definitely has helped all my symptoms significantly. Sadly, it broke and I contacted the company. They did ask me to send video footage showing that it’s not working but unfortunately I’d already thrown the item away as never expected to have a new one sent out to me.
However, I contacted them to say thank you for the offer but unfortunately I’ve thrown the product away but they’ve still sent out a new one which I think is excellent customer service.
I would definitely recommend this company and the product?
13 October 2025
Unprompted review
delivery or not as the case maybe
ordered 9 days ago still not received it and tracking says Royal Mail are still waiting for it
4 October 2025
Reply from Cleriva
Hi Jon,
I truly apologize that your order hasn’t reached you yet. Your package took a little time to clear customs, but I’m happy to let you know that it has now been cleared and is currently at the Princess Royal Parcel Hub. This means it’s already at your destination and being prepared by Royal Mail for final delivery. Once Royal Mail scans your package into their system, you’ll begin receiving regular updates, including the estimated delivery date.
I’ve sent you an email that includes your tracking information, so you can check the latest updates and see exactly where your package is at any time. I truly appreciate your patience while it makes its way to you, and I’m really sorry again for the trouble this has caused. If there’s anything else you’d like me to check or assist with, please don’t hesitate to contact me at support@cleriva.com. I'm always happy to help!
Reply from Cleriva
Hi Thomas,
I’m really sorry you’re still waiting for your order, and I understand how concerning it can be when a package takes longer than expected. I’ve personally checked the tracking for you, and your package has arrived in your destination and is now at the linehaul office, which means it’s being prepared to be handed over to GOFO Express for final delivery. You should start seeing new tracking updates soon once it’s scanned by GOFO Express. I’ve also sent you an email with your tracking details so you can easily keep an eye on its progress.
I truly apologize for the inconvenience and appreciate your patience while your package is on its way. If there’s anything else you need, please don’t hesitate to reach out to me at support@cleriva.com.
I have received nothing from you
I have received nothing from you. I should never have trusted the website. I doubt this will be rectified.
2 October 2025
Reply from Cleriva
Hi Barbara,
I know how frustrating this must have been, and I’m really sorry for all the trouble it’s caused. The delay happened because your package was held up in customs for a bit, but I’m happy to share that it has now cleared and is already in your destination country. Royal Mail will be handling the final delivery from here, and once they scan it into their system, you’ll start seeing new updates and an estimated delivery date.
I’ve also sent you an email with your tracking details so you can check the status anytime. Thank you so much for your patience, Barbara, and again, I’m truly sorry again for the inconvenience. If you need anything else, please feel free to reach out to me anytime at support@cleriva.com.
It has been almost 2 weeks and I still…
It has been almost 2 weeks and I still do not have the product!
3 October 2025
Reply from Cleriva
Hi Steve,
I truly apologize and I understand how it can be a little worrying when your order hasn’t arrived yet, so I checked your tracking details for you. The good news is your package is already on its way and is expected to be delivered by Saturday, October 11, 2025, by 9:00 PM. You should receive it very soon.
I’ve also sent you an email with your tracking details so you can follow the progress from your end. I truly appreciate your patience, and I apologize again for any inconvenience this may have caused. If you need help with anything else, please don’t hesitate to reach out to me at support@cleriva.com.
I am waiting to receive it.
Package has just cleared customs and I should have it shortly.
2 October 2025
Reply from Cleriva
Hi Margery,
I’m so sorry about the delay. I completely understand your frustration, but I have great news! I checked the tracking details, and the current status says the package has cleared customs and is now with your local carrier, who should deliver your package within the next couple of days.
I also sent you an email with your tracking details so you can check the status on your end. I truly appreciate your patience, and once again, I apologize for all the troubles we have caused. If there’s anything else we can do, please don’t hesitate to reach out to us at support@cleriva.com
I purchased the nasal red light therapy…
I purchased the nasal red light therapy and I love it. I had less nasal issues almost immediate using it. I ordered one for my daughter after one week of using it. So glad I purchased it and highly recommend.
24 September 2025
Fantastic customer service
Fantastic customer service, item was delivered to wrong address by mistake, contacted cleriva and they arranged for a replacement to be sent out as a good will gesture.
A***
4 October 2025
Unprompted review
Didn't help my PND or snoring
I sent for the NovaFlow hoping it would help my post nasal drip and snoring. It took a while to come (hadn't noticed it was from USA or I wouldn't have ordered, but that's a separate issue). Seems well made, well packaged etc but sadly after a month of continuous use it hasn't made the slightest difference. Obviously helps some people but sadly not me.
3 October 2025
Unprompted review
Reply from Cleriva
Hi Beryl,
I’m really sorry to hear that NovaFlow didn’t bring you the results you were hoping for, and I truly appreciate you taking the time to share your experience with us. While many users find consistent relief from congestion and nasal irritation with regular use, I completely understand that results can vary from person to person depending on the underlying cause of the symptoms.
We stand behind our 120-day money-back guarantee because your satisfaction truly matters to us. Please reach out to us at support@cleriva.com, and I’ll make sure your full refund is processed quickly and smoothly for you.
I’m genuinely sorry again that NovaFlow didn’t meet your expectations, and please know that I'm fully committed to resolving this for you as quickly as possible.
I ordered this more than 10 days ago…
I ordered this more than 10 days ago and have not received my item
1 October 2025
Reply from Cleriva
Hi Alex,
I’m so sorry to hear that your order hasn’t arrived yet. I completely understand how concerning that must be, and I’d really like to look into this for you right away. Could you please email us at support@cleriva.com with your order number (usually 5 digits like #00000)? Once I have that, I’ll personally check on your shipment and make sure everything is moving along properly.
We truly appreciate your patience, and I apologize for any inconvenience this may have caused. I’ll make sure this gets resolved for you as quickly as possible.
Short delivery delay but support…
Short delivery delay but support manager offered a part refund for the inconvenience. Product arrived shortly after in working order.
30 September 2025
Unprompted review
I received my Nova Flow a few months…
I received my Nova Flow a few months back and have now been using it regukarly for almost three months. I’ve had post nasal drip for what feels like forever, I am also prone to sinus infections on a regular basis, I can honestly say that consistent use of Nova Flow is helping me have clearer nasal passages and has improved the symptoms of post nasal drip. I am positive for the first time that I have e found something that is working for me.
30 September 2025
Unprompted review
Not received it been promised the item
Not received it been promised the item
Delayed
Part refund
But no sign of it
20 September 2025
Reply from Cleriva
Hi Richard, thanks for letting us know about the situation! I went ahead and checked our records and it shows that we issued a £6.60 GBP refund back to your original method of payment. You received a follow up email with the refund confirmation, so please double check your spam to make sure it didn't end up there!
Additionally, I can see that your order has already been dispatched and is current on its way to you.
You can enter your information and view your tracking details here: https://cleriva.com/apps/17TRACK.
Please let us know if you have any further concerns!
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