In our reference data, Eugenol is an EU-declared allergen.
Eugenol is a naturally occurring phenolic compound found in clove oil and other essential oils, used in cosmetics primarily as a fragrance ingredient and for its mild antimicrobial and antioxidant properties. It is a recognized contact allergen and is one of the 26 fragrance allergens requiring declaration under EU regulations.
| Reported effect | How often | Notes |
|---|---|---|
| Allergic contact dermatitis | Common | A well-documented fragrance contact allergen; sensitized individuals may develop eczematous reactions on exposure. |
| Skin irritation | Uncommon | Can cause irritation, redness, or a burning sensation, particularly at higher concentrations. |
| Contact urticaria | Rare | Immediate-type hives have been reported in some sensitized individuals. |
| Photosensitivity reactions | Very rare | Occasionally reported but not a strong or consistent photosensitizer. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.