CheckVegan

Is PEG-8/SMDI Copolymer vegetarian?

PEG-8/SMDI Copolymer

Vegetarian Vegetarian
Vegan Vegan

PEG-8/SMDI Copolymer is a synthetic polymer formed by reacting polyethylene glycol (8 moles ethylene oxide) with methylenebis(4-cyclohexylisocyanate) (SMDI), used as a film-forming or thickening agent in cosmetics.

Also known as Poly(oxy-1,2-ethanediyl), alpha-hydro-omega-hydroxy-, polymer with 1,1'-methylenebis[4-isocyanatocyclohexane]
INCI name PEG-8/SMDI Copolymer
CAS number 39444-87-6
CosIng ID 77477
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue