Opti-Free Multi-Purpose Solution removes protein deposits and reduces lipid deposition for silicone hydrogel and soft contact lenses with a hydraglyde moisture matrix. Hydraglyde moisture matrix is a proprietary wetting agent in this 10-oz Alcon Opti-Free Multi-Purpose Disinfection Solution that provides comfort and moisture from insertion of your contacts to removal. How the Alcon Contact Solution works is easy. First, in the lens case, the hydraglyde moisture matrix embeds itself on and within the lens surface to provide moist and hydrating lenses throughout the day. Second, the hydraglyde moisture matrix provides a lubricating cushion of moisture for comfort from lens insertion to removal. Third, the Multi-Purpose Disinfecting Solution, 10 oz, rinses, disinfects and helps store your len.