Ingredient Directory
Medium ConcernVegan Evaluator Flag

Coumarin

2H-chromen-2-one; 1,2-benzopyrone

Safety Flags
Allergen: Yes - EU Annex III fragrance allergen
Safety Notes

Naturally occurring in tonka beans, cinnamon, sweet woodruff; EU Annex III allergen requiring declaration; hepatotoxic at high doses - US FDA banned as food additive; IFRA restricts in leave-on products; moderate skin sensitization potential

Function & Common Use

Function

Fragrance / Perfuming / Aroma Chemical

Category

Fragrance Materials

Common In

Fougere, oriental, tobacco and hay-note perfumes; aftershaves, lotions, powders, tonka bean extracts

Origin

Natural/Synthetic

Concentration Limits

India (CDSCO)

Declaration required above 0.001% leave-on / 0.01% rinse-off

EU Cosmetics Reg.

Declaration threshold: 0.001% leave-on / 0.01% rinse-off; no absolute Annex III concentration cap but IFRA restricts

US FDA (21 CFR)

Banned as food additive (FDA); permitted in cosmetics; IFRA-guided

Korea (MFDS)

None specific; declaration required

Format restriction: EU mandatory declaration when above threshold; IFRA 49th Amendment limits by category; US FDA bans as food additive but permits in cosmetics

Baby restriction: No

Pregnancy: No

IFRA: Yes - IFRA 49th Amendment; Category 4 (body leave-on): 0.2%; Category 5A (face leave-on): 0.12%; Category 1 (fine fragrance): 2.5%; Category 9 (rinse-off body): 0.5%

Frequently Asked Questions

Is Coumarin safe to use in skincare?

Coumarin has a Medium concern rating. Naturally occurring in tonka beans, cinnamon, sweet woodruff; EU Annex III allergen requiring declaration; hepatotoxic at high doses - US FDA banned as food additive; IFRA restricts in leave-on products; moderate skin sensitization potential

Is Coumarin allowed in India?

Coumarin is currently classified as "Permitted" under Indian cosmetics regulations. The maximum permitted concentration is Declaration required above 0.001% leave-on / 0.01% rinse-off.

What is Coumarin used for in cosmetics?

Coumarin functions as: Fragrance / Perfuming / Aroma Chemical. It is commonly found in: Fougere, oriental, tobacco and hay-note perfumes; aftershaves, lotions, powders, tonka bean extracts.

Can Coumarin cause an allergic reaction?

Yes. Coumarin has an allergen flag (Yes - EU Annex III fragrance allergen). If you have sensitive skin or known fragrance/contact allergies, patch-test products containing this ingredient before full use.

Is Coumarin safe for babies?

Coumarin has baby/child restrictions: No. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.

TCS Assessment
Medium Concern
Data Confidence
High
Based on peer-reviewed safety data, regulatory status, and expert review by The Clean Sheet panel.

Regulatory Status

India (CDSCO)
Permitted
EU
Permitted
US FDA
Restricted
Korea (MFDS)
Permitted
Australia (TGA)
Permitted
Canada (NHPID)
Permitted

EU Annex: Annex III (fragrance allergen - declaration required)

Identifiers

CAS91-64-5
EC202-086-7

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