Provides lasting comfort with the convenience of a no rub solution. It is also effective at cleaning, disinfecting and storing all types of soft contact lenses, including silicone hydrogels. OptiFree Express features a unique cleaning formula that provides triple action cleaning for your contact lenses. This formula not only allows your lenses to clean and condition themselves while in the case it also helps keep contacts clean throughout the day, by retaining moisture and preventing protein buildup.