Is PEG-4 Sorbitan Triisostearate vegetarian?

PEG-4 Sorbitan Triisostearate is the triester of sorbitan with isostearic acid, ethoxylated with an average of 4 moles of ethylene oxide, used as an emulsifier in cosmetic formulations.

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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