Fragrancehigh risk Common irritant

Lyral

INCI · Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde

Synthetic muguet (lily of the valley) fragrance. Member of Fragrance Mix II. Banned in EU cosmetics since 2019 due to high sensitization rate.

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Why dermatologists flag it

ACDS-listed fragrance allergen — banned in EU cosmetics (2019)

How common is it?

Lyral appears in 3 of 4,442 products (0.1%) in the AllerNote catalog, most often in sunscreens (1 products). See the full prevalence dataset →

Names to look for on labels

Lyral appears under any of these names — manufacturers choose between INCI, common, and local-language terms freely.

Hydroxyisohexyl 3-Cyclohexene CarboxaldehydeHICCHydroxyisohexyl 3-cyclohexene carboxaldehyde4-(4-hydroxy-4-methylpentyl)-3-cyclohexene-1-carboxaldehyde

Common product categories

perfumeskincare (older formulations)

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