Boston Advance Conditioning 120ml Boston Advance Conditioning Solution contains a patented multi-polymer cushioning system and a patented optimized preservative system to minimize ocular irritation while being effective in killing harmful organisms A sterile, aqueous, buffered, slightly hypertonic solution containing a cationic cellulose derivative polymer, a cellulosic viscosifier, polyvinyl alcohol and a derivatized polyethylene glycol as wetting and cushioning agents; preserved with chlorhexidine gluconate (0.003%), polyaminopropyl biguanide (0.0005%) and edetate disodium (0.05%). Contraindications: - Do not use this solution if patient is allergic to any ingredient in this product. - Not For Use With Soft (Hydrophilic) Contact Lenses.