Biotrue Contact Lens Solution for Soft Contact Lenses (10 oz. 2 pk. + 2 oz.) Biotrue contact lens solution makes lenses so comfortable, you’ll almost forget you’re wearing them. Unlike other contact solutions, Biotrue contains HA, a moisturizing ingredient found naturally in the eyes. Biotrue Multi-Purpose Contact Lens Solution for soft contact lenses cleans, conditions, disinfects, rinses and stores soft contact lenses in a contact lens case. Biotrue hydrates your contact lenses with the same lubricant found in your eyes and matches the pH of healthy tears. Biotrue moisturizes for up to 20 hours.