Soothing dry eye relief that works. Active Ingredients:Sodium Carboxymethylcellulose 0.25%Instill 1 or 2 drops in the affected eye(s) as needed.Inactive Ingredients:Borate Buffers; Calcium Chloride; Dequest; Magnesium Chloride; Potassium Chloride; Purified Water; Sodium Bicarbonate; Sodium Chloride; Sodium Perborate Added as a Preservative; Sodium PhosphateUses:As a lubricant to relieve dryness of the eye. As a protectant against further irritation of the eye. For temporary relief of burning, irritation, and discomfort including exposure to wind or sun. TheraTears in a bottle contains a patented preserving ingredient that turns into pure oxygen and water on eye contact. Oxygen and water work with the TheraTears formula to provide soothing dry-eye relief that works. Helpful Hints: TheraTears in a bottle becomes preservative free on eye contact, and is designed for eyes with mild moderate dryness or eyes that need occasional or maintenance treatment. Now you can have the benefits of a preservative-free solution, and use only the drops you need.For external use only. To avoid contamination do not touch tip of opened container to any surface. Replace cap after using. Do not use if solution changes color or becomes cloudy. Stop use and ask a doctor if: you experience eye pain, changes in vision, continued redness or irritation; condition worsens or persists for more than 72 hours. Keep out of reach of children. If swallowed, get medical help or contact a Poison Control Center right away.