For use with clear and tinted soft (hydrophilic) contact lenses. Sterile. Only Alcon has Polyquad: Opti-Free Rinsing, Disinfecting and Storage Solution is a unique patented formula that contains Polyquad. Polyquad is an ingredient that destroys harmful microorganisms on the surface of your lenses, but is gentle enough to use as a final rinse. The Opti-Free Disinfection System consists of a daily cleaner (i.e. daily cleaner) and Opti-Free Rinsing, Disinfecting and Storage Solution. When used as directed Opti-Free Solution destroys harmful microorganisms on the surfaces of the lenses and removes loosened deposits and traces of the daily cleaner. Opti-Free Rinsing, Disinfecting and Storage Solution, a gentle, effective and thimerosal-free and sorbic acid-free formula, is especially formulated for soft contact lens wearers. Opti-Free Solution has been shown safe and effective for individuals with eyes sensitive to thimerosal. For use as recommended by your eye care practitioner. Opti-Free Rinsing, Disinfecting and Storage Solution can be used for: Rinsing your lenses; Storing your lenses; In a chemical (not heat) disinfection system; Dissolving enzymatic cleaning tablets. No saline solution is required with the Opti-Free Disinfection System. Opti-Free Solution can be used with clear and tinted daily and extended wear soft (hydrophilic) lenses. Opti-Free Rinsing, Disinfecting and Storage Solution is part of a lens care system which also includes daily cleaner. Performance Guarantee.