CryoStem Freezing Medium is a ready-to-use solution for the serum-free, animal component-free cryopreservation of human cells. CryoStem Freezing Medium maintains xeno-free conditions throughout cryopreservation and has been validated on several human ES & iPS cells, and MSC cell lines. CryoStem contains methylcellulose and DMSO in place of serum. The culture of cells in animal component-free medium eliminates the risks associated with animal sera and serum-derived products. The product is supplied in the original packaging of the supplier, Biological Industries (also the maker of NutriStem).