Can hydroxycitronellal cause allergic reactions?

Hydroxycitronellal is on the EU's fragrance allergen disclosure list due to well-documented sensitizing potential shown in patch-test studies. It has moderate concern and strong evidence of allergenicity. The EU requires label disclosure above 0.001% in leave-on products, allowing people with known sensitivities to avoid it.

fragrance

Hydroxycitronellal

Watch if sensitive·Strong evidence

Hydroxycitronellal is a lily-of-the-valley scented fragrance ingredient on the EU allergen disclosure list. It has well-documented sensitizing potential in patch-test studies, so it is worth checking the label if you have known fragrance sensitivities.

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

Can hydroxycitronellal cause allergic reactions?: Hydroxycitronellal is on the EU's fragrance allergen disclosure list due to well-documented sensitizing potential shown in patch-test studies. It has moderate concern and strong evidence of allergenicity. The EU requires label disclosure above 0.001% in leave-on products, allowing people with known sensitivities to avoid it.

Products with Hydroxycitronellal

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.