Biotrue Multi-Purpose Solution 300+60 ml. Product Details Biotrue makes wearing lenses easier on your eyes because it works like your eyes. Biotrue has the same PH as healthy tears and a lubricant found in your eyes. Biotrue helps keep lenses moist for up to 20 hours and kills 99.9% of germs Place of Origin USA Directions Use Daily, Cleans, Rinses stores for soft contact lenses Ingredients Hyaluronan, Sulfobetaine, Poloxamine, Bolic acid, Sodium borate, Ederare disodium and Sodium chloride, Polyaminopropyl biguanide0.00013% and Polyquaternium0.0001% Warnings Failure do discard solution from lens case after each use or use of water to care for your lenses may lead to contamination resulting in eye injury and potential loss of vision. See accompanying instructions for additional important safety information. Do not use a heat disinfection regimen. If you are allergic to any ingredient in this product, Do not use.