Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
- beauty
Acetic acid, 2-mercapto-, potassium salt (1:1)
CAS 34452-51-2
Depilatory · Hair waving or straightening · Reducing agent
Concern score
Not assessed — no hazard data yet.
Why it's flagged
EPA CPDat observed this chemical in 51 composition records across product categories including Personal care.
Regulation
No restrictions found. Acetic acid, 2-mercapto-, potassium salt (1:1) appears in these published regulatory listings.
- commercial_presence
- consumer_product_presence
- cpdat_category:beauty
- definition_level:complete
- definition_type:primary
- ingredient_type:ingredient substance
- substance_class:chemical
- substance_type:chemical
USEPAcommercial use observedEPA CPDat observed this chemical in 51 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Depilatory, Hair waving or straightening, Reducing agent.
- EPA CPDat observed this chemical in 51 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Depilatory, Hair waving or straightening, Reducing agent.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Evidence
No graded sources yet for Acetic acid, 2-mercapto-, potassium salt (1:1). We publish evidence only once a source is linked and reviewed — this ingredient is in the catalog, but has not been assessed.
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Good fit
Where it appears
Prevalence of Acetic acid, 2-mercapto-, potassium salt (1:1) in our catalog (epa_cpdat).
Products
51
Brands
6
Personal care
Typical roles
DepilatoryHair waving or straighteningReducing agent
