Coumarin is a naturally occurring organic chemical compound found in many plants, notably in tonka beans, cinnamon, and sweet clover. In cosmetics, it is primarily used as a fragrance ingredient, contributing a sweet, vanilla-like, and slightly herbaceous scent. It is also used as a masking agent to cover undesirable odors.
NoneFragrance ingredientVeganEvidence: Medium
BenefitNone 0 / 4
RiskHigh 2.5 / 4
Sensitization
Systemic exposure
Rated by SpottyLabs' ingredient methodology, independent of brands.
Things to watch
potential skin sensitization
can cause allergic reactions
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Products with Coumarin
Brazilian Bum Bum Cream
Score 4.1 / 5
Leave‑In & Detangler Original Scent
Score 4 / 5
Silk Hydration Ultra‑Light After Sun Lotion (Coconut & Papaya)
Score 3.9 / 5
Repairing Mask – Very Dry Hair (Organic Cupuaçu Butter)
Coumarin is used in cosmetic products as a fragrance ingredient, providing a sweet, vanilla-like aroma, and can also function as a masking agent for other ingredient odors.
Can Coumarin cause skin problems?
Yes, Coumarin is recognized as a potential skin sensitizer and can trigger allergic reactions, such as contact dermatitis, in susceptible individuals. Its use in cosmetics is regulated due to these concerns.
Spotty Labs