Isoeugenol
أيزو أوجينول
Fragrance allergen · CAS: 97-54-1
Strong allergen - skip if skin-sensitive
Why this verdict
Strong sensitizer; tightly IFRA-restricted; fragrance mix I member.
What It Is
A clove/carnation spice note.
One of the strongest fragrance allergens; IFRA limits it tightly. Common in spicy oriental accords.
Evidence & Status
IARC Carcinogen Group
Not classified
EU Status
Permitted; must be individually labelled above threshold (Reg 2023/1545)
US · FDA Status
Permitted (no individual-disclosure mandate)
Fragrance & Air
IFRA status
IFRA: strictly restricted (strong sensitizer)
Airborne risk
Low-moderate (volatilises into room air)
Sensitizer note
Potent contact allergen; use levels capped.
Halal Status: Halal
Synthetic or plant-derived; confirm not animal-sourced for naturals
Standard: MS 1500:2019; GSO 2055-1; JAKIM e-SMAF — synthetic/plant-derived aroma chemical, no haram source
Worth Knowing
Also Known As
Clove/carnation note
Primary Source
Evidence, not medical advice. You decide.
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