This is a clever design which combines two separate solutions in a single nasal spray. They mix as they come out of the nozzle, and the mixture slowly releases antiviral nitric oxide in the nose. It's simple to use, it doesn't sting, doesn't smell, there are no side effects and it is highly likely to be effective as a protective measure as well as shortening an existing infection - but there are no guarantees! The cost is due to the internal complexity of the device.
Verified purchase: Yes | Condition: New
This is a great and I believe very effective nasal spray.
Verified purchase: Yes | Condition: New
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