Banned Chemotherapy Agent
Fluorouracil (INN)
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Fluorouracil is a prescription cytotoxic chemotherapy drug used medically for actinic keratosis and cancers. It is prohibited in EU cosmetics under Annex II with no legitimate skincare use whatsoever.
Skin benefits
- Effective prescription chemotherapy and actinic keratosis treatment under medical supervision
- Annex II listing provides strong consumer protection against illicit cosmetic misuse
Known concerns
- EU Annex II prohibited substance in cosmetics
- Cytotoxic antimetabolite chemotherapy agent
- Severe local reactions: inflammation, erosion, ulceration
- Teratogenic and genotoxic, contraindicated in pregnancy
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.