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Fragrance

2-METHYLBUTYRIC ACID

CAS 116-53-0
60

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A branched short-chain fatty acid (CAS 116-53-0) used as a fragrance/flavour material. Concentrated form is a skin and eye irritant; safe at typical low fragrance use levels.

Function

PERFUMING

Skin benefits

  • Adds fruity-fermented olfactive notes

Known concerns

  • Skin/eye irritation in raw form
  • Pungent odour at higher levels
  • Subject to IFRA-style use restrictions

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.