From the eye care experts at Bausch + Lomb, Biotrue Multi-Purpose Solution helps contacts stay moist and comfortable all day long. Biotrue contact lens solution provides exceptional cleaning. It removes dirt and protein build-up for clean, clear lenses. Biotrue contact lens solution helps contacts stay moist and comfortable all day long. CLEANS DISINFECTS: Biotrue contact lens solution provides exceptional cleaning and disinfection. 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.