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4-ETHYL-GAMMA-OCTALACTONE

CAS 68188-98-7
70

Safety score · 0–100

Fine

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

About

4-ethyl-gamma-octalactone is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

4-Ethyl-gamma-octalactone is a gamma-lactone used as a fragrance ingredient to deliver creamy, coconut-peach odor notes in cosmetics. It is listed in the EU Fragrance Allergens inventory and requires declaration on cosmetic packaging when present above threshold (0.001% in leave-on, 0.01% in rinse-off) under EU Regulation 1223/2009. No severe hazards are flagged but lactones are known contact allergens in susceptible individuals.

Known concerns

  • Potential skin sensitizer - lactones are documented fragrance allergens
  • Limited systemic toxicity data

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.