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. *Based on laboratory study.