Fragrancemedium risk Common irritant
Coumarin
INCI · Coumarin
Sweet-scented compound found in tonka beans and many plants.
Why dermatologists flag it
EU regulated fragrance allergen - restricted in some products
Names to look for on labels
Coumarin appears under any of these names — manufacturers choose between INCI, common, and local-language terms freely.
Coumarin2H-chromen-2-oneTonka bean camphorकुमारिन
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