Blended with beneficial eye electrolytes that can help to revitalize dry eyes. Longer-lasting lubrication with a superior end-of-day-comfort. PRESERVATIVE FREE on the Eye Surface Benzalkonium Chloride FREE Safe in contact lens wearers. Suitable for day-time as well as night-time use. Packaged in a thermo-protective case. CE Class 2a Certified and manufactured under GMP.