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Oxirane, 2-methyl-, polymer with oxirane, monooctadecyl ether

CAS 9038-43-1

Concern score

Not assessed — no hazard data yet.

Oxirane, 2-methyl-, polymer with oxirane, monooctadecyl ether in plain language

What it is

On cosmetic ingredient lists it appears as “PPG-23-STEARETH-34”.

Also known as PPG-23-STEARETH-34 · PPG-30 STEARETH-4 · PPG-9-STEARETH-3 · Oxirane, methyl-, polymer with oxirane, monooctadecyl ether

What it does

Used in cosmetics as an emollient, an emulsifier and a skin-conditioning agent. Oxirane, methyl-, polymer with oxirane, monooctadecyl ether.

  • Emollient
  • Emulsifying
  • Skin conditioning
  • Emulsifier
  • Fragrance
  • Conditioner
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. Oxirane, 2-methyl-, polymer with oxirane, monooctadecyl ether appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActive3 entries
    • Alcohols, lanolin, ethoxylated, propoxylated (34 mol EO, 33 mol PO average molar ratio)Source →
    • Oxirane, methyl-, polymer with oxirane, stearyl ether (4 mol EO; 30 mol PO average molar ratios)Source →
    • Oxirane, methyl-, polymer with oxirane, monooctadecyl etherSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Emulsifier, Fragrance.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Emulsifier, Fragrance.Source →

Expert safety opinions

No expert opinion on file for Oxirane, 2-methyl-, polymer with oxirane, monooctadecyl ether. 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 Oxirane, 2-methyl-, polymer with oxirane, monooctadecyl ether 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 2020-03-19

    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

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed Oxirane, 2-methyl-, polymer with oxirane, monooctadecyl ether in a product composition. These are source records, not Greenveil catalog products.

Named organisations

2

Typical roles

EmollientEmulsifyingSkin conditioningEmulsifierFragranceConditioner
See products using Oxirane, 2-methyl-, polymer with oxirane, monooctadecyl ether →