Xlear?
Yes, Xclear is a drug free nasal spray that has been found to kill the virus in the nasal passages. I bought 8 bottles so that I could give the kids all one. If it gets FDA approval to be used as COVID prevention you will see it disappear from the shelves or become a “drug”. I got my 4-packs at Amazon. Regardless of COVID it flat opens your sinuses. LOL It also kills flu and cold viruses. My daughter mentioned it to her boss at work and he said his mother put all of them on it when they were little and they absolutely have been cold and flu free since they were little.