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PEG-5 glyceryl isostearate

CAS 110369-45-4

Concern score

Not assessed — no hazard data yet.

PEG-5 glyceryl isostearate in plain language

What it is

Also known as GLYCERETH-5 isostearate · Polyethylene glycol (5) glyceryl isostearate · Polyoxyethylene (5) glyceryl isostearate · Emalex GWIS-105 · Noigen GIS-105

What it does

Used in cosmetics as an emollient and an emulsifier.

  • Emollient
  • Emulsifying
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

FDA GSRS classifies this ingredient as ingredient substance polymer.

Regulation

No restrictions found. PEG-5 glyceryl isostearate appears in these published regulatory listings.

  • EUCosIngActivePoly(oxy-1,2-ethanediyl), .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris-.omega.-hydroxy-, isooctadecanoate (5 mol EO average molar ratio)
    • Poly(oxy-1,2-ethanediyl), .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris-.omega.-hydroxy-, isooctadecanoate (5 mol EO average molar ratio)Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as polymer.
    • openFDA substance registry classifies this ingredient as polymer.Source →

Expert safety opinions

No expert opinion on file for PEG-5 glyceryl isostearate. 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-5 glyceryl isostearate 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 →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    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.