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
Monoethanolamine thioglycolate
CAS 126-97-6
Concern score
Not assessed — no hazard data yet.
Monoethanolamine thioglycolate in plain language
On cosmetic ingredient lists it appears as “Ethanolamine thioglycolate”.
Also known as Ethanolamine thioglycolate · (2-Hydroxyethyl)ammonium mercaptoacetate · 2-aminoethanol;2-sulfanylacetic acid · Acetic acid, 2-MERCAPTO-, compd. with 2-AMINOETHANOL (1:1) · Acetic acid, mercapto-, compd. with 2-AMINOETHANOL · Acetic acid, mercapto-, compd. with 2-AMINOETHANOL (1:1)
Show all 18 names
Ethanol, 2-AMINO-, mercaptoacetate (salt) · Sulfanylacetic acid--2-aminoethan-1-ol (1/1) · Thioglycolic acid monoethanolamine salt · 2-hydroxyethan-1-aminium 2-sulfanylacetate · 2-hydroxyethanaminium sulfanylacetate · AS-75819 · Ec 204-815-4 · Ethanolamine Mercaptoacetate · Ethanolamine thioglycolate (ca. 85% in water) · N-(2-HYDROXYETHYL)AMMONIUM thioglycolate · UNII-263SH5220T · Xtjcjapnpggfed-uhfffaoysa-n
Used in cosmetics as a depilatory, a hair waving or straightening agent and a reducing agent.
- Depilatory
- Hair waving or straightening
- Reducing
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Monoethanolamine thioglycolate appears in these published regulatory listings.
- In marketed US drugs
- Found in consumer products
- Industrial
EUCosIngActiveRestriction: III/2a III/61
- Restriction: III/2a III/61Source →
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 Reducing agent, Depilatory, Hair waving or straightening.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Reducing agent, Depilatory, Hair waving or straightening.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 1 active drug products and 1 total products.
- FDA NDC lists this ingredient in 1 active drug products and 1 total products.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 Monoethanolamine 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 Monoethanolamine 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 2019-12-20
- Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
- Open →
FDA National Drug Code Directory
regulatory · updated 2027-12-31
- 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 FDA National Drug Code directory has listed Monoethanolamine thioglycolate in a product composition. These are source records, not Greenveil catalog products.
Source records
1
Typical roles
DepilatoryHair waving or straighteningReducing