Is Sodium (Z)-octadec-9-enyl sulphate vegan?

Sodium Oleyl Sulfate is also known as Sodium (Z)-octadec-9-enyl sulphate.

Sodium Oleyl Sulfate is the sodium salt of the sulfate ester of oleyl alcohol, used as a surfactant and cleansing agent in cosmetic formulations. Oleyl alcohol can be derived from either plant oils or animal fats, so the origin of this ingredient can vary.

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