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Is Sodium Polystyrene Sulfonate vegan?

Sodium Polystyrene Sulfonate

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Sodium Polystyrene Sulfonate is a synthetic polymer, the sodium salt of polystyrene sulfonic acid, used medically to treat high blood potassium and in cosmetics as a film-forming agent.

Also known as 25704-18-1, 62744-35-8, 9003-59-2, Benzenesulfonic acid ethenyl- homopolymer sodium salt, Benzenesulfonic acid, ethenyl-, homopolymer, sodium salt
INCI name Sodium Polystyrene Sulfonate
CAS number 9080-79-9
CosIng ID 80004
Last reviewed 4 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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