Give your eyes the moisture they crave with Biotrue Hydration Boost. These preservative-free lubricant eye drops are specifically formulated to provide instant, 24-hour hydration for eyes that feel dry, tired, or strained due to screen time, environmental factors, or contact lens wear. The formula features Hyaluronan (HA), a moisturizer found naturally in your eyes, alongside an electrolyte and an antioxidant that protects the surface of the eye. Its pH-balanced formula matches healthy tears, ensuring maximum comfort upon application.