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
Isooctyl thioglycolate
CAS 106-76-3
Also registered as 4 other CAS numbers
1335-90-6 · 30523-03-6 · 623941-43-5 · 25103-09-7
Concern score
Not assessed — no hazard data yet.
Isooctyl thioglycolate in plain language
Also known as Isooctyl 2-mercaptoacetate · 6-methylheptyl 2-sulfanylacetate · Acetic acid, 2-MERCAPTO-, isooctyl ester · Acetic acid, mercapto- isooctyl ester · Isooctyl ester mercaptoacetic acid · 6-Methylheptyl 2-mercaptoacetate
Show all 16 names
Acetic acid, mercapto-, isooctyl ester · Butyldodecyltin bis(isooctylthioglycolate) · Ec 246-613-9 · mercaptoacetate Isooctyl alcohol · Isooctyl mercaptoacetate · Isooctylmercaptoacetat · Mercaptoacetate d'isooctyle · Thioglycolic acid isooctyl ester · isooctyl thioglycolate (40-60%) · sooctyl thioglycolate
Used in cosmetics as a hair waving or straightening agent.
- Hair waving or straightening
- Thickener
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Isooctyl thioglycolate appears in these published regulatory listings.
- Found in consumer products
- Industrial
EUCosIngActiveRestriction: III/2b
- Restriction: III/2bSource →
USEPAcommercial use observedEPA CPDat observed this chemical in 4 composition records across product categories including Raw materials, Home maintenance. EPA CPDat classifies this chemical for functional uses including Hair waving or straightening, Viscosity modifier.
- EPA CPDat observed this chemical in 4 composition records across product categories including Raw materials, Home maintenance. EPA CPDat classifies this chemical for functional uses including Hair waving or straightening, Viscosity modifier.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Expert safety opinions
No expert opinion on file for Isooctyl thioglycolate. 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 Isooctyl thioglycolate 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 may 11, 2017
- Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
- Open →
FDA GSRS UNII
registry · updated 2026-02-26
- Open →
openFDA Substance
registry · updated 2026-05-24
- Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
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 Isooctyl thioglycolate in a product composition. These are source records, not Greenveil catalog products.
Source records
4
Named organisations
3
Raw materialsHome maintenance
Typical roles
Hair waving or straighteningThickener