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Fragrance ingredient

TETRAHYDRO-6-PENT-2-ENYL-PYRAN-2-ONE

CAS 34686-71-0
65

Safety score · 0–100

Fine

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

This delta-lactone is a fragrance molecule used to add a creamy, coconut-and-peach character to perfumes and scented skincare. It appears in tiny amounts within fragrance compounds rather than as a standalone active.

Skin benefits

  • Provides a creamy, coconut-like fragrance note
  • Used at trace levels to round out perfume accords
  • Adds a soft, lactonic character to skincare scents

Known concerns

  • Belongs to the lactone family with limited public toxicology data
  • May contribute to sensitisation in fragrance-allergic users
  • No intrinsic skin benefit beyond scent

References

EU

EU CosIng database

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

Related fragrance ingredients

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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.