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Benzene, ethenyl-, polymer with 1,3-butadiene, hydrogenated

CAS 67762-71-4

Also registered as 1 other CAS number

66070-58-4

Concern score

Not assessed — no hazard data yet.

Benzene, ethenyl-, polymer with 1,3-butadiene, hydrogenated in plain language

What it is

On cosmetic ingredient lists it appears as “Hydrogenated styrene/butadiene copolymer”.

Also known as Hydrogenated styrene/butadiene copolymer · 1,3-butadiene-styrene polymer, hydrogenated · Buta-1,3-diene--ethenylbenzene (1/1) · Ethylene-butylene-styrene copolymer · hydrogenated Styrene-butadiene polymer · Thermoplastic rubber

Show all 8 names

Undisclosed · styrene-ethylene/butylene-styrene block copolymer.

What it does

Used in cosmetics as a film former and a thickener.

  • Film forming
  • Viscosity controlling
  • Thickener
  • Film former
  • Fragrance
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. Benzene, ethenyl-, polymer with 1,3-butadiene, hydrogenated appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActiveEthenylbenzene, polymer with 1,3-butadiene, hydrogenated
    • Ethenylbenzene, polymer with 1,3-butadiene, hydrogenatedSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 136 composition records across product categories including Furniture and furnishings, Construction and building materials, Home maintenance. EPA CPDat classifies this chemical for functional uses including Film former, Viscosity modifier, No specific technical function.
    • EPA CPDat observed this chemical in 136 composition records across product categories including Furniture and furnishings, Construction and building materials, Home maintenance. EPA CPDat classifies this chemical for functional uses including Film former, Viscosity modifier, No specific technical function.Source →

Expert safety opinions

No expert opinion on file for Benzene, ethenyl-, polymer with 1,3-butadiene, hydrogenated. 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 Benzene, ethenyl-, polymer with 1,3-butadiene, hydrogenated yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated january 29, 2017

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

Suitability

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

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed Benzene, ethenyl-, polymer with 1,3-butadiene, hydrogenated in a product composition. These are source records, not Greenveil catalog products.

Source records

136

Named organisations

6

Furniture and furnishingsConstruction and building materialsHome maintenanceElectronics/small appliancesRaw materialsConstruction

Typical roles

Film formingViscosity controllingThickenerFilm formerFragrance
See products using Benzene, ethenyl-, polymer with 1,3-butadiene, hydrogenated →

Catalog

Found in these products

Cosmetic and personal-care products that list Benzene, ethenyl-, polymer with 1,3-butadiene, hydrogenated are shown first. Their ingredient lists include Benzene, ethenyl-, polymer with 1,3-butadiene, hydrogenated; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 9 →Find products without it →