Are mouthwashes, antiseptics and nasal rinses effective against COVID-19?
Although a study suggests that some mouthwashes, antiseptics and nasal rinses can be effective against COVID-19, Expert opinion suggests they are no substitute for using a mask . Read more about this on Healthline
No, Mouthwash and Nasal Rinses Aren't Cures for COVID-19
New research examined if mouthwashes, antiseptics, and a nasal rinse were effective ways to kill a virus very similar to COVID-19. The study found that some of these products can be effective against a type of human coronavirus under lab-controlled conditions.