Intelligence · Ingredients

The ingredient narratives reshaping clean beauty.

fragrance component
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Coumarin

aka 1,2-benzopyrone · tonka bean lactone · cis-o-coumaric acid lactone

Fragrance component contributing sweet, powdery, hay-like tonka bean notes to cologne and fougère compositions. On the EU's 26 mandatory fragrance allergen disclosure list.

Benefits
  • Sweet, powdery, hay-like fragrance character
  • Fixative properties
  • Tonka bean and sweet woody base note
  • Used in classic masculine and fougère compositions
  • Available from natural (tonka bean) and synthetic sources
Example uses
  • Eau de cologne
  • Fougère fragrance compositions
  • Aftershave
  • Aromatic body products
  • Woody fragrance bases
Formulation notes

Oil-soluble fragrance component. EU mandatory allergen disclosure required. IFRA restricts use levels in leave-on applications.

Watchouts

EU mandatory fragrance allergen. IARC historical carcinogen classification at high oral doses — topical and inhalation at cosmetic use is not associated with carcinogenic risk. Sensitisation documented. IFRA restrictions apply.

Clean beauty perception

Scrutinised in clean-beauty fragrance transparency. Most clean brands use fragrance-free positioning rather than engaging with individual allergen disclosure.