Store in a refrigerator (2°C-8°C). Keep away from the cooling element. Do not freeze.
Keep the vial/cartridge in the outer carton in order to protect from light. Protaphane must be protected from excessive heat and light.
After first opening or carried as a spare: Do not refrigerate.
Protaphane vial: The in-use shelf life is 6 weeks when stored below 25°C or 4 weeks when stored below 30°C.
Protaphane Penfill: The in-use shelf life is 6 weeks when stored below 30°C.