Is geraniol an allergen?

Geraniol is one of 26 fragrance ingredients the EU requires brands to label by name because a documented minority of people develop contact sensitization to it. Most users tolerate it without issue, but if you have fragrance allergies or very sensitive skin, check the ingredient list and consider patch-testing first.

Can geraniol cause skin reactions?

Geraniol can trigger contact allergy in people who are sensitized to it, though this is uncommon. Reactions typically present as redness, itching, or rash at the point of contact with the product.

fragrance

Geraniol

Watch if sensitive·Strong evidence

A floral, rose-like fragrance compound found in many essential oils. It is one of the 26 EU-designated fragrance allergens, meaning a documented minority of people can develop contact sensitization, so brands must disclose it above set thresholds.

Worth knowing

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

EU cosmetics regulation requires labeling when present above 0.001% in leave-on products or 0.01% in rinse-off products, as one of 26 designated fragrance allergens.

Gentler alternatives

Fragrance

Questions

Is geraniol an allergen?: Geraniol is one of 26 fragrance ingredients the EU requires brands to label by name because a documented minority of people develop contact sensitization to it. Most users tolerate it without issue, but if you have fragrance allergies or very sensitive skin, check the ingredient list and consider patch-testing first.
Can geraniol cause skin reactions?: Geraniol can trigger contact allergy in people who are sensitized to it, though this is uncommon. Reactions typically present as redness, itching, or rash at the point of contact with the product.

Products with Geraniol

In our guides

Basics
Fragrance-free vs unscented: what the words actually mean

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.