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1-Ethenylpyrrolidin-2-one--icos-1-ene (1/1)

CAS 53240-89-4

Also registered as 1 other CAS number

28211-18-9

Concern score

Not assessed — no hazard data yet.

1-Ethenylpyrrolidin-2-one--icos-1-ene (1/1) in plain language

What it is

On cosmetic ingredient lists it appears as “Vp/eicosene copolymer”.

Also known as Vp/eicosene copolymer · Vinylpyrrolidone/eicosene copolymer · Pvp/eicosene copolymer (U-15) · Vinylpyrrolidone/eicosene copolymer (48/52) · Vp/eicosene copolymer (48/52) · 2-Pyrrolidinone, 1-ethenyl-, compd. with 1-eicosene (1:1)

Show all 7 names

Unimer U-15

What it does

Used in cosmetics as a binder, a film former and a thickener.

  • Binding
  • Film forming
  • Viscosity controlling
  • Thickener
  • Film former
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. 1-Ethenylpyrrolidin-2-one--icos-1-ene (1/1) appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • EUCosIngActive2-Pyrrolidinone, 1-ethenyl-, polymer with 1-eicosene
    • 2-Pyrrolidinone, 1-ethenyl-, polymer with 1-eicoseneSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 3 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Film former, Viscosity modifier, Binder.
    • EPA CPDat observed this chemical in 3 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Film former, Viscosity modifier, Binder.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as polymer.
    • openFDA substance registry classifies this ingredient as polymer.Source →

Expert safety opinions

No expert opinion on file for 1-Ethenylpyrrolidin-2-one--icos-1-ene (1/1). 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 1-Ethenylpyrrolidin-2-one--icos-1-ene (1/1) 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 august 23, 2017

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    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 1-Ethenylpyrrolidin-2-one--icos-1-ene (1/1) in a product composition. These are source records, not Greenveil catalog products.

Source records

3

Named organisations

3

Personal care

Typical roles

BindingFilm formingViscosity controllingThickenerFilm former
See products using 1-Ethenylpyrrolidin-2-one--icos-1-ene (1/1) →

Catalog

Found in these products

Cosmetic and personal-care products that list 1-Ethenylpyrrolidin-2-one--icos-1-ene (1/1) are shown first. Their ingredient lists include 1-Ethenylpyrrolidin-2-one--icos-1-ene (1/1); each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 108 →Find products without it →