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  • beauty

PEG-47 POLY(1,2-BUTANEDIOL)-66 propylene glycol

Concern score

Not assessed — no hazard data yet.

PEG-47 POLY(1,2-BUTANEDIOL)-66 propylene glycol in plain language

What it does

Used in cosmetics as a thickener.

  • Viscosity controlling
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. PEG-47 POLY(1,2-BUTANEDIOL)-66 propylene glycol appears in these published regulatory listings.

  • EUCosIngActivePEG-47 Poly(1,2-Butanediol)-66 Propylene Glycol is a block copolymer made by reacting propylene glycol with 66 mols of 1,2-butylene oxide, followed by 47 mols of ethylene oxide. It conforms generally to the following formula, where x+y has an average value of 66 and w+z has an average value of 47:
    • PEG-47 Poly(1,2-Butanediol)-66 Propylene Glycol is a block copolymer made by reacting propylene glycol with 66 mols of 1,2-butylene oxide, followed by 47 mols of ethylene oxide. It conforms generally to the following formula, where x+y has an average value of 66 and w+z has an average value of 47:Source →

Expert safety opinions

No expert opinion on file for PEG-47 POLY(1,2-BUTANEDIOL)-66 propylene glycol. 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-47 POLY(1,2-BUTANEDIOL)-66 propylene glycol 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.