Get More Mileage out of your Lenses...Guaranteed. Quick & Easy One Drop. For Soft and Rigid Gas Permeable Contact Lenses. 30 Day Supply ~ Includes Free Lens Case. Keeps your lenses feeling like new longer. Use daily to make your contact lens wear more comfortable. Refreshes soft contact lenses by removing protein. Eliminates weekly enzyme tablet use. Works in case while lenses disinfect. Contains: A preservative-free solution containing propylene glycol, sodium borate and highly purified porcine pancreatin enzymes. Alcon's Guarantee: People who use SupraClens keep their lenses longer than people who don't - guaranteed or your money back.