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Fragrance ester

RHODINYL ISOBUTYRATE

CAS 138-23-8
65

Safety score · 0–100

Fine

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

Synthetic rose-scented ester used in perfumery and fragranced cosmetics. Generally safe within IFRA use limits, but as with most fragrance materials it can trigger allergic contact dermatitis in sensitized users.

Skin benefits

  • Fragrance ester used to impart rose-floral and fruity scent notes
  • IFRA-listed material with established fragrance industry safety dossier
  • Stable in cosmetic formulations and oxidatively more robust than free alcohols

Known concerns

  • Recognized fragrance allergen with sensitization potential in predisposed individuals
  • IFRA imposes use-level restrictions in leave-on products
  • Not appropriate for fragrance-free or sensitive-skin claims

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.