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  • beauty
  • cleaning
  • industrial

Octaethylene glycol

CAS 137378-28-0

Also registered as 1 other CAS number

5117-19-1

Concern score

Not assessed — no hazard data yet.

Octaethylene glycol in plain language

What it is

On cosmetic ingredient lists it appears as “PEG-8”.

Also known as PEG-8 · 3,6,9,12,15,18,21-Heptaoxatricosane-1,23-diol · 3,6,9,12,15,18,21-heptaoxatricosane-1,23-diol (PEG-8) · Glzwnfnqmjazgy-uhfffaoysa-n · PEG n8 · Polyethylene glycol-8

Show all 7 names

octaethylen glycol

What it does

Used in cosmetics as a humectant and a solvent.

  • Humectant
  • Solvent
  • Emulsifier
  • Thickener
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. Octaethylene glycol appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • EUCosIngActive.Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, (8 mol EO average molar ratio)
    • .Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, (8 mol EO average molar ratio)Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 837 composition records across product categories including Personal care, Construction. EPA CPDat classifies this chemical for functional uses including Solvent, Humectant, Delivery vehicle.
    • EPA CPDat observed this chemical in 837 composition records across product categories including Personal care, Construction. EPA CPDat classifies this chemical for functional uses including Solvent, Humectant, Delivery vehicle.Source →

Expert safety opinions

No expert opinion on file for Octaethylene 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 Octaethylene glycol yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated october 29, 2012

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    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 Octaethylene glycol in a product composition. These are source records, not Greenveil catalog products.

Source records

837

Named organisations

6

Personal careConstruction

Typical roles

HumectantSolventEmulsifierThickener
See products using Octaethylene glycol →

Catalog

Found in these products

Their ingredient lists include Octaethylene glycol; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 280 →Find products without it →

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Octaethylene glycol in the catalog.