methyl tert-butyl ether
Severity 6/10cosmetic ingredient
Is methyl tert-butyl ether safe?
methyl tert-butyl ether carries moderate concerns worth knowing about (cancer concern, irritation).
Documented concerns
Cancer concern
6/10Classified by IARC Group 2B.
Irritation
6/10Classified by EU CLP Skin 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.