hc blue no. 12
Severity 6/10hair dyeing
Is hc blue no. 12 safe?
hc blue no. 12 carries moderate concerns worth knowing about (allergy risk).
Documented concerns
Each concern below is drawn from official data — see the cited sources ↓
Allergy risk
6/10Classified by EU CLP Skin Sens. 1; EU CosIng Annex III (declarable / restricted).
Official regulatory status
Pulled directly from official regulatory datasets and expert reviews — not our own judgement.
Sources
Each authority below is shown only because our ingested copy of its data lists hc blue no. 12 — 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.
Related ingredients
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