Tearkool Eye Drops 0.3% 10ml – Hypromellose for Dry Eye ReliefTearkool Eye Drops 0. 3% 10ml Soothing Relief for Dry Eyes Tearkool Eye Drops 0. 3% 10ml contain Hypromellose, a proven lubricant for the relief of dry eye symptoms such as burning, irritation, redness, and discomfort. These drops are specially formulated with a buffered pH close to that of natural tears, providing enhanced comfort during use. One of the unique features of Tearkool is its disappearing preservative system. It contains sodium perborate,