In the discovery of many of these old stand-by cures, there are a number of information sources that are helpful, and there is one for Chlorine Dioxide, which I consider of high value: the substack of Curious Outlier. There is a treasure trove of information here. The latest issue is about nasal problems. The solution is easy Snoot Nasal Spray from Dioxicare.
It helps to understand the reasons why, so by all means read Curious Outlier’s substack on the topic.