What does PEG-8/SMDI copolymer do?

Used in cosmetics as a film former.

Is PEG-8/SMDI copolymer safe?

We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

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PEG-8/SMDI copolymer

CAS 39444-87-6

Concern score

Not assessed — no hazard data yet.

PEG-8/SMDI copolymer in plain language

What it is: Also known as PEG-8 & smdi copolymer · POLYOLPREPOLYMER-15 · Polyoxyethylene (8) smdi copolymer · Kava kava · polyether polyol polymer · polyurethane prepolymer
What it does: Used in cosmetics as a film former.
Film forming
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. PEG-8/SMDI copolymer appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Beauty

EUCosIngActivePoly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, polymer with 1,1'-methylenebis[4-isocyanatocyclohexane] (8 mol EO avergae molar ratio)
- Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, polymer with 1,1'-methylenebis[4-isocyanatocyclohexane] (8 mol EO avergae molar ratio)Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 4 composition records across product categories including Home maintenance, Personal care. EPA CPDat classifies this chemical for functional uses including Film former.
- EPA CPDat observed this chemical in 4 composition records across product categories including Home maintenance, Personal care. EPA CPDat classifies this chemical for functional uses including Film former.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 PEG-8/SMDI copolymer. 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 PEG-8/SMDI copolymer 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 January 7, 2008
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 →

Reference links (1)

Openfda substance

barnetproducts.com

Read →

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 PEG-8/SMDI copolymer in a product composition. These are source records, not Greenveil catalog products.

Source records

Named organisations

Home maintenancePersonal care

Typical roles

Film formingFilm former

See products using PEG-8/SMDI copolymer →

Catalog

Found in these products

Cosmetic and personal-care products that list PEG-8/SMDI copolymer are shown first. Their ingredient lists include PEG-8/SMDI copolymer; 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 →