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Glyceryl thioglycolate

CAS 30618-84-9

Concern score

Not assessed — no hazard data yet.

Glyceryl thioglycolate in plain language

What it is

Also known as Glyceryl monothioglycolate · Glycerol monomercaptoacetate · Acetic acid, 2-MERCAPTO-, monoester with 1,2,3-PROPANETRIOL · Glycerin monothioglycolate · Acetic acid, mercapto-, ester with glycerol · Acetic acid, mercapto-, monoester with 1,2,3-propanetriol

Show all 8 names

Acetic acid, mercapto-, monoester with glycerol · mercaptoacetic acid, monoester with propane-1,2,3-triol

What it does

Used in cosmetics as a hair waving or straightening agent.

  • Hair waving or straightening
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. Glyceryl thioglycolate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActiveMercaptoacetic acid, monoester with propane-1,2,3-triol Restriction: III/2b
    • Mercaptoacetic acid, monoester with propane-1,2,3-triol Restriction: III/2bSource →
  • 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 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 Hair waving or straightening.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
    • openFDA substance registry classifies this ingredient as mixture.Source →

Expert safety opinions

No expert opinion on file for Glyceryl 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 Glyceryl thioglycolate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • 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 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.

Where it has been recorded

How often EPA CPDat has listed Glyceryl thioglycolate in a product composition. These are source records, not Greenveil catalog products.

Named organisations

1

Typical roles

Hair waving or straightening
See products using Glyceryl thioglycolate →