Gentle on your eyes. Preservative-free. Buffered for comfort. For rinsing and storage of all types of soft contact lenses. CIBA Saline is recommended for the following: Rinsing - After cleaning thoroughly rinse your lenses. Hydrogen Peroxide and Chemical Disinfection Systems (Including Multi-Purpose Solutions): Rinse after disinfection prior to lens insertion. Heat (Thermal ) Disinfection: Use sterile CIBA Vision Saline when disinfecting. Contains no CFC's - nitrogen propelled.