Conditions, cleans, removes protein, disinfects, rinses, stores. For soft contact lenses including silicone hydrogel lenses. Wearing contact lenses, especially in a world of less sleep and more computer use, makes it more challenging for eyes to stay comfortable and healthy. To care for your lenses and your eyes, a lens care solution that works like your eyes was created. Biotrue multi-purpose solution moistens in a way your eyes do as it uses a lubricant also found in your eyes. Works like your eyes. Up to 20 hours of moisture.* *Our laboratory research shows that Biotrue multi-purpose solution helps keep lenses moist for up to 20 hours.