Cited skincare — peer-reviewed evidence, no upsell.What it does
One of the 26 fragrance allergens the EU Cosmetics Regulation requires to be disclosed on the INCI list when present above 0.001% in leave-on products (0.01% in rinse-off). Patch-test studies in dermatology populations consistently identify it among the higher-frequency causes of fragrance contact allergy. A faint sweet-balsamic fragrance fixative and natural component of balsam Peru, ylang-ylang, and tolu balsam. Skip products carrying it if you've ever flagged a fragrance sensitivity; otherwise tolerated at typical formulation levels.
The evidence, graded
expert consensusThe EU SCCS lists 26 fragrance ingredients required to be declared on cosmetic labels above trace concentrations because of documented allergenic potential. Linalool, limonene, geraniol, citral, eugenol, cinnamal, isoeugenol, and hydroxycitronellal are the most-frequently-positive on patch testing. (See G16 for the next-tier list.)Scientific 2012 · European Commission SCCS ↗ expert consensusExtends the G13 fragrance-allergen list with seven additional EU SCCS-declared allergens that show on patch-testing surveillance with lower frequency than the top tier but are still routinely positive in fragrance-sensitive users: hexyl cinnamal, anise alcohol, alpha-isomethyl ionone, citronellol, coumarin, benzyl benzoate, and amyl cinnamal.Scientific 2012 · European Commission SCCS ↗ Graded per the methodology: strong · moderate · emerging · expert consensus. A weak source on a strong claim gets the weaker label.
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