Fragrance ingredient
Hydroxycitronellal
A synthetic floral fragrance chemical (CAS 107-75-5) with a rose/lily scent profile, regulated as a mandatory-declaration fragrance allergen under EU Cosmetics Regulation and Annex III as amended by Regulation (EU) 2023/1545.
Also known as: 3,7-dimethyl-7-hydroxyoctanal
fragrancemasking
Benefits
- ✓Imparts a soft rose/lily floral fragrance note to cosmetic formulations
Watch for
- ⚠EU mandatory fragrance allergen (Reg. 2023/1545) — must be declared on label above threshold concentrations
- ⚠Known contact sensitizer; can trigger allergic contact dermatitis in sensitized individuals
