ReNu Multi-Purpose Solution Sensitive Eyes is a gentle, original formula. It is a trusted formula that gently cleans, rinses, disinfects, and stores your soft contact lenses. ReNu Multi-Purpose Solution requires use of separate enzymatic cleaner for protein removal. Because your eyes are so important don't experiment with just any brand. Different solutions may not be compatible and not all solutions are safe for all lenses. Always follow a proper cleaning/disinfecting regimen and lens-wearin