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GREENVEIL

  • beauty

Bis-(methoxy PEG-12 carbamoyl) 1,4-BUTANEDIOL/POLY-SMDI copolymer

Concern score

Not assessed — no hazard data yet.

Bis-(methoxy PEG-12 carbamoyl) 1,4-BUTANEDIOL/POLY-SMDI copolymer in plain language

What it does

Used in cosmetics as a hair conditioner, a hair dye and a hair fixative.

  • Hair conditioning
  • Hair dyeing
  • Hair fixing
  • Hair waving or straightening
  • Nail conditioning
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

Canonical ingredient record built from 1 public-source records.

Regulation

No restrictions found. Bis-(methoxy PEG-12 carbamoyl) 1,4-BUTANEDIOL/POLY-SMDI copolymer appears in these published regulatory listings.

  • EUCosIngActiveBis-(Methoxy PEG-12 Carbamoyl) 1,4-Butanediol/Poly-SMDI Copolymer is the copolymer of the polycarbodiimide formed by the condensation polymerization of Saturated Methylene Diphenyl Diisocyanate with 1,4-Butanediol and end-capped with methoxy PEG-12.
    • Bis-(Methoxy PEG-12 Carbamoyl) 1,4-Butanediol/Poly-SMDI Copolymer is the copolymer of the polycarbodiimide formed by the condensation polymerization of Saturated Methylene Diphenyl Diisocyanate with 1,4-Butanediol and end-capped with methoxy PEG-12.Source →

Expert safety opinions

No expert opinion on file for Bis-(methoxy PEG-12 carbamoyl) 1,4-BUTANEDIOL/POLY-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 Bis-(methoxy PEG-12 carbamoyl) 1,4-BUTANEDIOL/POLY-SMDI copolymer yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

1 data source

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    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.