3-imidazol-4-ylacrylic acid (urocanic acid) and its ethyl ester
Prohibited in EU cosmeticscosmetic ingredient
Is 3-imidazol-4-ylacrylic acid (urocanic acid) and its ethyl ester safe?
3-imidazol-4-ylacrylic acid (urocanic acid) and its ethyl ester is prohibited in cosmetic products in the EU (CosIng Annex II).
Official regulatory status
Pulled directly from official regulatory datasets and expert reviews — not our own judgement.
EU cosmetics: Prohibited
Sources
Each authority below is shown only because our ingested copy of its data lists 3-imidazol-4-ylacrylic acid (urocanic acid) and its ethyl ester — not because we asserted it. Follow a link to verify the classification or regulation directly.
See our methodology for how these map to concern levels. Informational only — not medical advice.
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