Fragrance avoidance
Nothing to weigh for this context yet.
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.
- beauty
- industrial
- pharma
PEG-20 sorbitan isostearate
CAS 66794-58-9
Concern score
Not assessed — no hazard data yet.
PEG-20 sorbitan isostearate in plain language
On cosmetic ingredient lists it appears as “PEG-2 sorbitan isostearate”.
Also known as PEG-2 sorbitan isostearate · PEG-5 sorbitan isostearate · Polyoxyethylene sorbitan monoisostearic acid ester · Polyethylene glycol 1000 sorbitan monoisostearate · Polyethylene glycol 20 sorbitan isostearate · Polyoxyethylene (20) sorbitan monoisostearate
Show all 16 names
Aec PEG-20 sorbitan isostearate · Crillet 6 · Emsorb 6912 · Isoixol 6 · Montanox 70 · Montanox 71 · Nikkol TI-10 · Nikkol TI 10V · Nissan Nonion IST 221 · Polyoxyethylene sorbitan monoisostearate
Used in cosmetics as an emulsifier and a cleansing agent.
- Emulsifying
- Cleansing
- Emulsifier
- Surfactant
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. PEG-20 sorbitan isostearate appears in these published regulatory listings.
- Inactive ingredient in US drugs
- Found in consumer products
- Industrial
EUCosIngActive3 entries
- 1,4-Anhydro-D-glucitol, monoisooctadecanoate, poly(oxy-1,2-ethanediyl) derivatives (2 mol EO average molar ratio)Source →
- Sorbitan, monoisooctadecanoate, poly(oxy-1,2-ethanediyl) derivatives (20 mol EO average molar ratio)Source →
- Sorbitan, monoisooctadecanoate, poly(oxy-1,2-ethanediyl) derivatives (5 mol EO average molar ratio)Source →
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 Surfactant (surface active agent), Emulsifier.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Emulsifier.Source →
USFDAinactive ingredient databaseRoute: TOPICAL; Dosage form: CREAM; Potency: 6 %w/w
- Route: TOPICAL; Dosage form: CREAM; Potency: 6 %w/wSource →
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-20 sorbitan 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-20 sorbitan isostearate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
CosIng
regulatory · updated 2026-09-23
- Open →
EPA Chemical and Products Database
exposure · updated 2019-12-20
- Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
- Open →
FDA Inactive Ingredient Database
regulatory · updated 2026-01-09
- Open →
FDA GSRS UNII
registry · updated 2026-02-26
- Open →
openFDA Substance
registry · updated 2026-05-24
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Where it has been recorded
How often EPA CPDat has listed PEG-20 sorbitan isostearate in a product composition. These are source records, not Greenveil catalog products.
Named organisations
1
Typical roles
EmulsifyingCleansingEmulsifierSurfactant