Polyethylene Glycol, also goes by the names of PEG, Macrogol, Carbowax and many other names when combined with other substances.
During trials, pharmaceutical companies knew anaphylaxis could be a problem, yet it wasn’t until after implementation of the vaccination programs when reports of anaphylactic incidents began to emerge.
… PEGs are also used in everyday products such as toothpaste and shampoo as thickeners, solvents, softeners, and moisture carriers, and they’ve been used as a laxative for decades.
An increasing number of biopharmaceuticals include PEGylated compounds as well. PEGs were long thought to be biologically inert, but a growing body of evidence suggests they are not.