Euxyl K 900 (INCI: Benzyl Alcohol (and) Ethylhexylglycerin) is considered by the company to be a strong broad spectrum preservative. “euxyl® K 900 is a liquid cosmetic preservative based on benzyl alcohol and ethylhexylglycerin. The addition of ethylhexylglycerin affects the interfacial tension at the cell membrane of micro-organisms, improving the preservative activity of benzyl alcohol….