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GREENVEIL

  • beauty

POLYURETHANE-18

Concern score

Not assessed — no hazard data yet.

POLYURETHANE-18 in plain language

What it does

Used in cosmetics as a hair fixative and a binder.

  • Hair fixing
  • Binding
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. POLYURETHANE-18 appears in these published regulatory listings.

  • EUCosIngActivePolyurethane-18 is a complex polymer formed by the reaction of m-tetramethylene diisocyanate, polybutylene glycol and Dimethylolpropionic Acid (q.v.) The pre-polymer is neutralized with Triethylamine and condensed with a combination of hydrazine and C1-8 diamines to achieve chain extension. Restriction: II/201 III/62
    • Polyurethane-18 is a complex polymer formed by the reaction of m-tetramethylene diisocyanate, polybutylene glycol and Dimethylolpropionic Acid (q.v.) The pre-polymer is neutralized with Triethylamine and condensed with a combination of hydrazine and C1-8 diamines to achieve chain extension. Restriction: II/201 III/62Source →

Expert safety opinions

No expert opinion on file for POLYURETHANE-18. 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 POLYURETHANE-18 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.