Fragrancemedium risk Common irritant
Coumarin
INCI · Coumarin
Sweet-scented compound found in tonka beans and many plants.
🤖Ask AllerBot“I'm allergic to Coumarin — what should I avoid?”Why dermatologists flag it
EU regulated fragrance allergen - restricted in some products
How common is it?
Coumarin appears in 89 of 4,442 products (2%) in the AllerNote catalog, most often in shampoos (14 products). See the full prevalence dataset →
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
Common product categories
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