Is Sorbitan, monoisooctadecanoate, poly(oxy-1,2-ethanediyl) derivatives vegan?

PEG-20 Sorbitan Isostearate is also known as Sorbitan, monoisooctadecanoate, poly(oxy-1,2-ethanediyl) derivatives.

PEG-20 Sorbitan Isostearate is a nonionic surfactant formed by the ethoxylation of sorbitan isostearate, used as an emulsifier in cosmetics; the isostearic acid component may derive from plant or animal fat sources.

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