Fragrance
3,4-Dihydrocoumarin, when used as a fragrance ingredient
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A saturated coumarin used as a warm, hay-like fragrance note — IFRA-restricted because the coumarin family includes documented sensitisers. Declarable allergen in EU when above 0.001% leave-on / 0.01% rinse-off.
Skin benefits
- Provides warm, hay-like, slightly almondy fragrance note
Known concerns
- Skin sensitiser — RIFM/IFRA restricted
- Coumarin-class allergen (EU Annex III declarable)
- Potential photosensitisation at higher levels
- Hepatotoxic at high oral doses (not relevant cosmetic dermal exposure)
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related fragrances
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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.