o-phenylenediamine
Severity 8/10cosmetic ingredient
Is o-phenylenediamine safe?
o-phenylenediamine carries significant published concerns (cancer concern, hormone disruption, allergy risk, irritation, environmental impact).
Documented concerns
Cancer concern
8/10Classified by EU CLP Carc. 2.
Hormone disruption
8/10Classified by EU CLP Muta. 2; California Prop 65 (listed).
Allergy risk
8/10Classified by EU CLP Skin Sens. 1.
Irritation
8/10Classified by EU CLP Eye Irrit. 2.
Environmental impact
8/10Classified by EU CLP Aquatic Acute 1/Aquatic Chronic 1.
Related ingredients
Ingredients with a similar role or shared type of concern — useful for comparing what's on your label.
Checking a specific product? Paste its full ingredient list and we'll analyze everything at once.