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Fragrance ester

METHYL ISOVALERATE

CAS 556-24-1
65

Safety score · 0–100

Fine

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

Methyl isovalerate is a small fruity-smelling ester used as a fragrance ingredient. It is generally safe at low fragrance levels but can irritate skin or eyes if used neat.

Skin benefits

  • Contributes fruity apple-like scent in fragrance blends
  • Used at low concentrations as flavor or fragrance
  • Well-characterized small ester molecule
  • GRAS status for flavor applications supports general safety

Known concerns

  • Volatile ester with possible skin or eye irritation at high concentration
  • Fragrance allergens may affect sensitive individuals
  • Flammable liquid with handling precautions in manufacturing
  • Limited dedicated cosmetic safety review

References

EU

EU CosIng database

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

Related fragrance esters

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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.