renu gently cleans and disinfects your contact lenses in just 4 hours. The only multi-purpose solution with a triple disinfection system. Hydrate your lenses for all-day comfort. renu multipurpose contact lens solution can be used daily to clean your lenses, store them in a contact lens case when not being worn, or disinfect and rinse lenses. Go beyond clean and keep your contacts feeling clean and comfortable with renu contact solution. renu Advanced Formula is our newest innovation in lens care & replaces both renu fresh & renu sensitive with one solution created to help enhance your lens wearing experience.