Get more mileage out of your lenses.Eye CareAlconActive Ingredients:Preservative Free Solution Containing: Propylene Glycol; Sodium Borate; Highly Purified Porcine Pancreatin EnzymesShake well before using. It is recommended that your lens case be periodically replaced with a new one. Store at room temperature. Avoid excessive heat. For soft lenses: Use with Opti-Free Replenish or Opti-Free Express Multi-Purpose Disinfecting Solutions. For gas permeable lenses: Use with Unique-PH Multi-Purpose Solution or Opti-Free GP Multi-Purpose Solution.Uses:Keeps soft lenses feeling like new longer. For soft and gas permeable contact lenses. Works overnight while lenses disinfect