Lyral

Say itLYE-ral

Sweet, heavy lily and cyclamen with a soft, creamy, long-lasting floral body.

What it is: A molecule made in a lab, first made by IFF in 1958.
When you smell it: Dry-down: hours later.
What perfumers do with it: Gave white florals, and even masculines, a smooth, tenacious floral heart without making them feminine.
Worth knowing: By the 2000s, European patch tests showed it caused more fragrance allergies than any other labelled allergen.
Known in: Coco (Chanel, 1984); Aventus (Creed, 2010)
Rules: Not allowed. EU sale ban from August 2021; a leading contact allergen
Also called: HICC; hydroxyisohexyl 3-cyclohexene carboxaldehyde; Kovanol

Not on the label of any of the 232 perfumes read so far.

Sources