CheckVegan

Is PEI-1400 vegetarian?

PEI-1400

Vegetarian Vegetarian
Vegan Vegan

PEI-1400 is a synthetic polymer, a homopolymer of aziridine (polyethyleneimine), used in cosmetics as a film-forming or conditioning agent.

Also known as Aziridine Homopolymer, Aziridine, homopolymer
INCI name PEI-1400
CAS number 9002-98-6
CosIng ID 36434
Last reviewed 9 July 2026

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

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