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.