Biotrue contact lens solution helps contacts stay moist and comfortable all day long CLEANS: Biotrue contact lens solution provides exceptional cleaning. It removes dirt and protein buildup for clean, clear lenses. HYDRATES: Biotrue provides up to 20 hours of moisture (based on a laboratory study). Biotrue offers all day comfort. Biotrue is gentle and helps lenses stay comfortable when using digital devices. NATURALLY INSPIRED FEATURES: We believe that the best inspiration comes from nature. That's why our formula is inspired by the biology of the eye. Biotrue contact lens solution contains hyaluronan (HA), a moisturizer found naturally in tears. Biotrue also matches the pH of healthy tears to help make contacts comfortable when you put them in. MULTI-PURPOSE SOLUTION: Biotrue contact lens solution can be used to store, clean, and disinfect contacts in a lens case when not being worn, or to rinse contacts before wear. Available in 2 fl oz bottles, 4 fl oz bottles, 10 fl oz bottles, and packs of two 10 fl oz bottles. For soft contact lenses including silicone hydrogel lenses.