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Fragrance

CYCLOPENTANE CARBOXYLIC ACID

CAS 3400-45-1 Updated
65

Safety score · 0–100

Fine

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

About

A small cyclic carboxylic acid (CAS 3400-45-1) used as a fragrance/flavour building block. Carries the usual irritation caveats of low-MW carboxylic acids; well-tolerated when neutralised in finished formulas.

Function

SURFACTANT - CLEANSING

Skin benefits

  • Fragrance-character contribution
  • Functions as a minor pH modifier

Known concerns

  • Concentrated form is a skin/eye irritant
  • Limited published cosmetic studies

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 — always read the physical product label and consult a healthcare professional for personal concerns.