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Sodium polystyrene sulfonate

CAS 9060-92-8

Also registered as 10 other CAS numbers

39310-89-9 · 60495-06-9 · 63661-19-8 · 76050-89-0 · 130140-58-8 · 1217314-99-2 · 9003-59-2 · 9080-79-9 · 25704-18-1 · 62744-35-8

Concern score

Not assessed — no hazard data yet.

Sodium polystyrene sulfonate in plain language

What it is

Also known as Benzenesulfonic acid, ethenyl-, homopolymer, sodium salt · Acide styrenesulfonique homopolymerise, sel de sodium · Chemistat 6120 · Chemistat SA 9 · sodium salt Ethenylbenzenesulfonic acid homopolymer · Ethenylbenzenesulfonic acid, sodium salt, homopolymer

Show all 9 names

Flexan II · Leopack S 100 · Oligo Z

What it does

Used in cosmetics as an emulsion stabiliser, a film former and a thickener. Sodium Polystyrene Sulfonate is the polymer.

  • Emulsion stabilising
  • Film forming
  • Viscosity controlling
  • Emulsifier
  • Surfactant
  • Thickener
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. Sodium polystyrene sulfonate appears in these published regulatory listings.

  • In marketed US drugs
  • Inactive ingredient in US drugs

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • USFDAinactive ingredient database8 entries — 2 administration routes
    • Route: OPHTHALMIC; Dosage form: SUSPENSION; Potency: 0.25 %v/vSource →
    • Route: OPHTHALMIC; Dosage form: SUSPENSION/ DROPS; Potency: 0.25 %w/vSource →
    • Route: ORAL; Dosage form: CAPSULE, EXTENDED RELEASE; Potency: 170.4 mgSource →
    • Route: ORAL; Dosage form: POWDER, FOR SUSPENSION; Maximum daily exposure: 728 mgSource →
    • Route: ORAL; Dosage form: SUSPENSION; Maximum daily exposure: 518 mgSource →
    • Route: ORAL; Dosage form: SUSPENSION, EXTENDED RELEASE; Maximum daily exposure: 261 mgSource →
    • Route: ORAL; Dosage form: TABLET, CHEWABLE, EXTENDED RELEASE; Maximum daily exposure: 125 mgSource →
    • Route: ORAL; Dosage form: TABLET, ORALLY DISINTEGRATING; Maximum daily exposure: 73 mgSource →
  • EUCosIngActiveSodium Polystyrene Sulfonate is the polymer that conforms generally to the formula
    • Sodium Polystyrene Sulfonate is the polymer that conforms generally to the formulaSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 118 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Film former, Viscosity modifier.
    • EPA CPDat observed this chemical in 118 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Film former, Viscosity modifier.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 19 active drug products and 19 total products.
    • FDA NDC lists this ingredient in 19 active drug products and 19 total products.Source →

Expert safety opinions

No expert opinion on file for Sodium polystyrene sulfonate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for Sodium polystyrene sulfonate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA Chemical and Products Database

    exposure · updated September 2018

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA Inactive Ingredient Database

    regulatory · updated 2026-01-09

    Open →
  • FDA National Drug Code Directory

    regulatory · updated 2027-12-31

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Sodium polystyrene sulfonate in a product composition. These are source records, not Greenveil catalog products.

Source records

118

Named organisations

6

Personal care

Typical roles

Emulsion stabilisingFilm formingViscosity controllingEmulsifierSurfactantThickener
See products using Sodium polystyrene sulfonate →

Catalog

Found in these products

Their ingredient lists include Sodium polystyrene sulfonate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.