A sterile, isotonic solution that contains poloxamine, poloxamer 181, diglycine, sodium citrate, boric acid, sodium borate, edetate disodium, and sodium chloride and preserved with a triple disinfectant system (polyaminopropyl biguanide 0.00005%, polyquaternium 0.00015% and alexidine 0.0002%). When used daily, renu Advanced Formula multi-purpose solution dissolves protein and cleans, loosens and removes accumulations of film, debris, and deposits from soft contact lenses. Renu Advanced Formula multi-purpose solution helps prevent the formation of irritating deposits on the lens surface. It kills harmful microorganisms on the lens. Renu Advanced Formula multi-purpose solution can also be used to rinse lenses. There are no known contraindications for use of Renu Advanced Formula multi-purpose solution. However, if you are allergic to any ingredient in this product, do not use.