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.
(2S,3S)-2-Hydroxy-3-methylpentanoic acid
EPA CPDat observed this chemical in 6 composition records across product categories including Personal care.
Research docs0Claims0Sources5FunctionDefoamerIdentifierDTXSID20357528
Concern score
45/100Moderate concern based on regulatory listings.
Well researched
How we scored this
The concern value is driven by the published classifications and regulatory status below — not by a single signal.
Concern score 45/100 (moderate) · high confidence.
Where it appears
Prevalence of (2S,3S)-2-Hydroxy-3-methylpentanoic acid in our catalog (epa_cpdat).
Products
6
Brands
2
Personal care
Typical roles
Defoamer
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Good fit
Evidence read
The published evidence profile currently shaping this ingredient record.
No evidence profiles are attached to this ingredient yet.
Linked research
Primary documents currently linked to this ingredient record.
No linked research documents are attached to this ingredient yet.
Extracted claims
Structured claim signals pulled from linked ingredient research.
No extracted claims are attached to this ingredient yet.
Regulatory status
Published jurisdiction-level classifications and regulatory designations for this ingredient.
US
EPA
EPA CPDat observed this chemical in 6 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Defoamer.
Effective: March 2016View source →
US
FDA
openFDA substance registry classifies this ingredient as chemical.
Effective: 2026-05-24View source →