HYLO-Tear is a carefully formulated product containing 0.1% Hyaluronic Acid that can quickly relieve those annoying dry eye symptoms. Hyaluronic Acid is a very natural and long acting ingredient which is actually present in many parts of our body, including the eye. Delivered via the unique, patented COMOD system, HYLO-Tear will release one drop for every click in a pump action technique. HYLO-Tear is preservative free and will remain sterile for six months from the time of opening, making it really economical Features: Preservative free Suitable for use with all contact lenses Natural, soothing, tolerable ingredients Remains sterile for 6 months from opening User friendly bottle