Because your eyes are so important. Active Ingredients: Chlorhexidine Gluconate; Edetate Disodium; Cellulosic Viscosifier; Cationic Cellulose Derivative Polymer; Polyvinyl Alcohol Uses: Contains a wetting agent that coats the surface of your lenses to make them smooth, wet and comfortable. This unique ingredient actually helps reduce friction between your lens and your eyes. For rigid gas permeable contact lenses and hard/PMMA lenses. Our ingredients and what they do: Disinfection system (chlorhexidine gluconate and edetate disodium): Kills micro-organisms (germs) on lenses. Wetting and cushioning system (cellulosic viscosifier, cationic cellulose derivative polymer and polyvinyl alcohol): Surrounds lenses with moisture to make them feel smooth and wet. Cushions lenses.