Ingredients for CVS Health 12 Hour Antihistamine Allergy Relief Eye Drops, 0.34 FL OZ

Active Ingredients: Ketotifen (0.025%) (Equivalent to Ketotifen Fumarate 0.035%)..

Inactive Ingredients: Benzalkonium Chloride (0.01%), Glycerin, Purified Water. May Contain Hydrochloric Acid and/or Sodium Hydroxide (to Adjust pH).