– Collagenase/Neutral Protease 2 (animal free) is a blend of collagenase and neutral protease that is free from animal origins. It is suitable for applications involving the isolation and bioprocessing of stem cells and other primary cells without the risk of introducing potential animal-derived pathogens. This compound possesses higher caseinase activity compared to Collagenase/Neutral Protease 1 (animal free).