This sterile non-preserved cleaning solution is for use with For rigid gas permeable contact lenses , and hard contact lenses. When used as directed, eliminates surface deposits, oils, lipids, salts, and cosmetic residue. Without the use of suspended abrasives. A slightly alkaline solution with cocoamphodiacetate and glycols. Contains no Polyquad, chlorhexidine, polyaminopropyl biguanide, or BAK. No animal testing.