Coumarin belongs to the 26 fragrances that have to be listed in the INCI-Declaration since 2005 under EU law, for the protection of fragrance allergy sufferers, if the amount in the product is potentially relevant to the allergy sufferer. Coumarin is a natural ingredient of various essential oils that are used to improve the odour of cosmetic products.
1 From natural essential oils and/or plant extracts
