A saline nasal spray is a mixture of sterile water and 0.9% sodium chloride (salt) that you can spray up your nostrils to flush out pollen, dust, and other allergens from your nasal passages (the ...
Jared Stockwell, an ICU pharmacist, said on social media: “The salt in the solution helps nasal cells produce hypochlorous acid, a natural virus fighter.” This process supposedly prevents viruses from ...