Blink Intensive Tears Eye Drops Blink Intensive Tears Eye Drops have an advanced formulation that can hold moisture in the eye for over 60 minutes. Providing relief from dry tired eyes. Ingredients Polyethylene Glycol 400 (PEG 400), Ocu Pure Preservative (Sodium Chlorite), Sodium Hyaluronate, Boric Acid, Sodium Borate (decahydrate), Sodium Chloride, Potassium Chloride, Calcium Chloride (dihydrate), Magnesium Chloride, Purified Water. Directions Place 1 or 2 drops in affected eye as required. Blink several times to wash the eye. Use as often as required. If you wear contact lenses there is no need to remove them.