Sodium Polystyrene Sulfonate

INCI: SODIUM POLYSTYRENE SULFONATE

CAS Number
9080-79-9 / 25704-18-1
Function
Surfactant, film-forming agent, viscosity controlling
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted in cosmetics; also has pharmaceutical use (Kayexalate for hyperkalemia)

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Classified H332 (harmful if inhaled) โ€” inhalation hazard during powder handling only; not a dermal concern in finished cosmetics

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Concern Level: Low

Frequently Asked Questions

Is Sodium Polystyrene Sulfonate safe in cosmetics?

Classified H332 (harmful if inhaled) โ€” inhalation hazard during powder handling only; not a dermal concern in finished cosmetics The EU classifies Sodium Polystyrene Sulfonate as "restricted". Safety rating: GOOD.

Is Sodium Polystyrene Sulfonate allowed in the EU?

Sodium Polystyrene Sulfonate EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Polystyrene Sulfonate do in cosmetics?

Sodium Polystyrene Sulfonate functions as: Surfactant, film-forming agent, viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: 9080-79-9 / 25704-18-1.

What is the Margin of Safety for Sodium Polystyrene Sulfonate?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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