PROVIDES SIMULTANEOUS CLEANING, DAILY PROTEIN REMOVAL AND DISINFECTION OF ALL TYPES OF CONTACT LENSES, INCLUDING SOFT (HYDROPHILIC) SILICONE HYDROGEL AND RIGID GAS PERMEABLE LENSES. LONG LASTING MOISTURE FOR SOFT LENSES. TRIPLE ACTION CLEANING. PRESERVATIVE FREE FORMULA. LOOSENS DIRT, KILLS GERMS & BACTERIA, BUBBLES HELP REMOVE PROTEIN. YOU CAN SEE IT WORKING. THE UNIQUE LENS CASE FEATURES A PLATINUM DISC WHICH ACTIVATES A GENTLE, BUBBLING ACTION AND NEUTRALIZES THE HYDROGEN PEROXIDE INTO A MILD SALINE SOLUTION.