USP 1.5% Antiseptic Povidone-Iodine Nasal Spray Formula with saline is the ultimate solution for sinuses! This gentle yet powerful cleanser comes in a convenient spray bottle making it easy to use anytime and anywhere. All natural cold and flu relief. With 100 applications per bottle, you can enjoy long-lasting relief. Simply spray the solution into your sinus and feel the instant soothing effect. The easy-to-use spray nozzle ensures even coverage and precise application. Why are nasal washes so important? -Protection and preventing external aggression -Helping in eliminating secretions -Removing impurities (viruses, bacteria, smog, allergens) -Immune Support Viraldine® Povidone Iodine Nasal Spray and Throat Spray is specifically formulated to promote nasal health and respiratory hygiene, providing customers with effective relief from congestion associated with viruses, bacteria, and other irritating microorganisms as well as rapid allergy relief. Use within 6 months of opening.