Caredermis

4-amino-2-nitrophenol

Severity 10/10

hair dyeing

Is 4-amino-2-nitrophenol safe?

4-amino-2-nitrophenol is prohibited in cosmetic products in the EU (CosIng Annex II), with documented concerns: cancer concern.

Documented concerns

Each concern below is drawn from official data — see the cited sources ↓

Cancer concern

10/10

Classified by California Prop 65 (cancer).

Official regulatory status

Pulled directly from official regulatory datasets and expert reviews — not our own judgement.

CIR: data insufficientEU cosmetics: Prohibited

Sources

Each authority below is shown only because our ingested copy of its data lists 4-amino-2-nitrophenol — not because we asserted it. Follow a link to verify the classification or regulation directly.

CIR conclusion from the Cosmetic Ingredient Review (CIR) Quick Reference Table — cir-safety.org (snapshot in data/sources/)(point-in-time snapshot; CIR's live record may have been updated since).

See our methodology for how these map to concern levels. Informational only — not medical advice.

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