Is Polyglyceryl-3 Triisostearate vegetarian?

Polyglyceryl-3 Triisostearate is a triester of triglycerol and isostearic acid, used as an emollient and emulsifier in cosmetics; isostearic acid can be derived from plant or animal fat sources.

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

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