(Link) This means something has a neutral electrical charge. Most of our emulsifiers – Polawax, e-wax, Montanov 68, Simulgreen 18-2, Olivem 1000 – and solubilizers – polysorbate 20 or 80, caprylyl/capryl glucoside, PEG-40 hydrogenated castor oil – are non-ionic, as are all our oils, butters, fatty alcohols, and fatty acids.