SkinAtlas
Ingredient library / Coumarin
Fragrance ingredient

Coumarin

A naturally occurring and synthetic aromatic lactone with a sweet, vanilla-hay scent; one of the 26 EU-mandated declarable fragrance allergens in cosmetic products.

fragrant

Benefits

  • ✓Contributes a sweet, vanilla-hay-like fragrance note

Watch for

  • ⚠One of the 26 EU-regulated fragrance allergens; must be labeled on-product above 0.001% in leave-on and 0.01% in rinse-off cosmetics (EU Cosmetics Regulation Annex III)
  • ⚠Classified as a skin sensitizer; IFRA restricts use in fragrance applications
  • ⚠Included in expanded allergen requirements under EU Regulation (EU) 2023/1545
At a glance
CategoryFragrance
IrritancyLow–moderate
Beginner-friendlyYes
In your routine

Generally well-tolerated and easy to layer.

Found in 6 products
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Products with Coumarin

Glow Tonic Exfoliating TonerToner
Pixi
Glow Tonic Exfoliating Toner
Crystal Retinal 3 Stable Vitamin ASerum
Medik8
Crystal Retinal 3 Stable Vitamin A
Ecological Compound Advanced FormulaMoisturizer
Sisley Paris
Ecological Compound Advanced Formula
Crystal Retinal 3Serum
Medik8
Crystal Retinal 3
Immortelle Divine CreamMoisturizer
L'Occitane
Immortelle Divine Cream
Lotion P50Toner
Biologique Recherche
Lotion P50