Glyoshield™ is an all-natural liquid version of the high-performing biostatic agent Caprylyl Glyceryl Ether (CGE). CGE is an important biolipid (alkyl glyceryl ether) originally found in human breast milk and marine animals (e.g., shark liver oil). It is more stable and effective than glyceryl esters and diols. 100% vegetable origin. The natural replacement for Ethylhexylglycerin.