thiourea and its derivatives
Severity 10/10cosmetic ingredient
Is thiourea and its derivatives safe?
thiourea and its derivatives is prohibited in cosmetic products in Canada (Health Canada Cosmetic Ingredient Hotlist).
Documented concerns
Each concern below is drawn from official data — see the cited sources ↓
Cancer concern
10/10Classified by EU CLP Carc. 2.
Hormone disruption
10/10Classified by EU CLP Repr. 2.
Environmental impact
10/10Classified by EU CLP Aquatic Chronic 2.
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 thiourea and its derivatives — 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
Ingredients with a similar role or shared type of concern — useful for comparing what's on your label.
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