Works Like Your Eyes. The world can be tough on your eyes when you wear contact lenses. Biotrue multi-purpose solution helps make wearing contact lenses easy on your eyes. Biotrue is easy on your eyes because it is formulated to work like your eyes. Contains hyaluronan (HA) - Biotrue hydrates your contact lenses in the same way that your eyes naturally hydrate by utilizing hyaluronan (HA), a lubricant found in your eyes. Same pH as healthy tears - Biotrue matches the pH of healthy tears and enables optimal performance of the dual disinfectants. Beneficial tear proteins - Biotrue keeps proteins in their native state active as they are naturally in your eye. They act as your eyes inborn germ-fighters. Biotrue solution conditions, cleans, removes protein, disinfects, rinses and stores soft contact lenses including silicone hydrogel contact lenses. Biotrue multi-purpose solution cushions and rehydrates lenses for comfortable wear. By keeping lenses hydrated, Biotrue multi-purpose solution makes wearing contact lenses comfortable all day. Key Features & Benefits: Up to 20 hours of moisture. Uses a lubricant found naturally in your eyes. Matches the pH of healthy tears. Kills 99.9% of germs. Made in United States Directions: To condition, clean, remove protein and disinfect lenses, complete these simple steps. This daily regimen is recommended by Bausch + Lomb for a healthy and comfortable contact lens wearing experience: STEP 1: Place at least 3 drops of Biotrue multi-purpose solution on each side of lens surface and gently rub for 20 seconds. STEP 2: Thoroughly rinse each side of the lens for 5 seconds with Biotrue multi-purpose solution. STEP 3: Place cleaned contact lenses in the lens case and fill with fresh Biotrue multi-purpose solution. Soak at least 4 hours. Remember to always use fresh solution discard solution from lens case after each use. © 2020 Bausch & Lomb Incorporated or its affiliates.