Is isoeugenol a strong allergen?

Isoeugenol is considered one of the more potent sensitizers among the EU-listed fragrance allergens and carries moderate concern based on strong evidence of allergenicity. It is required to be disclosed on labels above 0.001% in leave-on products. People with fragrance sensitivities or contact dermatitis history should check ingredient lists and may want to avoid it.

What is isoeugenol used for in cosmetics?

Isoeugenol is used as a fragrance ingredient in cosmetics, providing a clove-like scent. It is also found naturally in clove and other essential oils. Despite its natural occurrence, published safety assessments have documented its sensitizing potential, which is why it appears on the EU's mandatory disclosure list for fragrance allergens.

fragrance

Isoeugenol

Watch if sensitive·Strong evidence

Isoeugenol is a clove-scented fragrance compound and is considered one of the more potent sensitizers among the EU-listed fragrance allergens. It is disclosed on labels so people with a known allergy can avoid it.

Worth knowing

EU-labelled fragrance allergen
Known contact sensitizer for some
Restricted in the EU

EU named-label disclosure required above 0.001% leave-on / 0.01% rinse-off.

Gentler alternatives

Linalool

Questions

Is isoeugenol a strong allergen?: Isoeugenol is considered one of the more potent sensitizers among the EU-listed fragrance allergens and carries moderate concern based on strong evidence of allergenicity. It is required to be disclosed on labels above 0.001% in leave-on products. People with fragrance sensitivities or contact dermatitis history should check ingredient lists and may want to avoid it.
What is isoeugenol used for in cosmetics?: Isoeugenol is used as a fragrance ingredient in cosmetics, providing a clove-like scent. It is also found naturally in clove and other essential oils. Despite its natural occurrence, published safety assessments have documented its sensitizing potential, which is why it appears on the EU's mandatory disclosure list for fragrance allergens.

Products with Isoeugenol

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.