Biotrue soft contact lens solution is inspired by your eyes and keeps your contact lenses moist for up to 20 hours. Biotrue solution utilizes the lubricant eye's have naturally, hyaluronan (HA). Even up to 20 hours, hyaluronan remains on the contact lenses. Biotrue contact lens solution combines a dual disinfection system and PH equal to healthy tears to help provide excellent disinfection for your contact lenses. Biotrue dissolves protein build-up for clear, clean contact lenses when used daily. Biotrue contact lens solution conditions, cleans, removes protein, disinfects, rinses and stores soft (hydrophilic) contact lenses, including silicone hydrogel contact lenses.