In our reference data, Isoeugenol is an EU-declared allergen.
Isoeugenol is a naturally occurring aromatic compound used as a fragrance and flavoring agent in cosmetics and personal care products. It is a known contact allergen and one of the fragrance constituents required to be labeled in many regions.
| Reported effect | How often | Notes |
|---|---|---|
| Allergic contact dermatitis | Common | One of the most frequent fragrance allergens identified in patch testing; causes eczematous skin reactions in sensitized individuals. |
| Skin irritation | Uncommon | Redness, stinging or burning at the site of application, particularly at higher concentrations. |
| Photoallergic or photosensitivity reactions | Rare | Reactions triggered or worsened by sun exposure have been occasionally reported. |
| Systemic contact dermatitis | Very rare | Widespread reaction in highly sensitized individuals following exposure, rarely documented. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.