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
1,3,4-Trihydroxy-2-butanone
CAS 35007-64-8
Dye · Tanning
Concern score
Not assessed — no hazard data yet.
Why it's flagged
EPA CPDat observed this chemical in 133 composition records across product categories including Personal care.
Regulation
No restrictions found. 1,3,4-Trihydroxy-2-butanone 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 133 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including tanning, Dye.
- EPA CPDat observed this chemical in 133 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including tanning, Dye.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 1,3,4-Trihydroxy-2-butanone. 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 1,3,4-Trihydroxy-2-butanone in our catalog (epa_cpdat).
Products
133
Brands
6
Personal care
Typical roles
DyeTanning
