Vegan

E1521 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

PolietilenoglicolPolietileno glicolPolyethylene glycolPolyethylenglycolGlikol polietylenowyPoli(tlenek etylenu)PoliglikolPolietylenoglikolMakrogoleMakrogolPolyethylenglykolPolyéthylène glycolMacrogolpoly ethane diol - 1Polyéthylèneglycols25322-68-3PolyoxyéthylènePoly oxyde d'éthylènePolyeteeniglykolitPolyeteeniglykolejaPolyetylenglykolPolyethyleenglycolPolyethyleenoxidePolyetheenoxidePolietilenglicolPolyethylenoxidPEG-40PEG-7PEG-8PEG-400

How to verify it

Check that the name refers to this exact ingredient and not a similar additive with a different source.