n-methylpyrrolidone
Severity 10/10cosmetic ingredient
Is n-methylpyrrolidone safe?
n-methylpyrrolidone carries significant published concerns (hormone disruption, irritation).
Documented concerns
Hormone disruption
10/10Classified by EU CLP Repr. 1B; California Prop 65 (developmental).
Irritation
10/10Classified by EU CLP Skin Irrit. 2; EU CLP Eye Irrit. 2.
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.