Vetericyn Opthalmic Gel is used to treat irritated eyes. Provides relief from burning, stinging, itching, pollutants and other foreign materials. Safe, steroid-free, antibiotic-free, non-toxic, non-irritating. Kills bacteria in 30 seconds. Product cannot be frozen. Please Note: Vetericyn products cannot ship in temperatures lower than 32° Consider the time of year while placing order and expedite your shipping if necessary. This product has an expiry date within 3 to 6 months.