CheckVegan

Is Polyquaternium-20 vegetarian?

Polyquaternium-20

Vegetarian Vegetarian
Vegan Vegan

Polyquaternium-20 is a synthetic polycationic polymer made from ethenyl octadecyl ether and aminomethyloxirane, used in cosmetics as a conditioning agent and film-former.

Also known as Ethenyl octadecyl ether, polymer with aminomethyloxirane
INCI name Polyquaternium-20
CAS number 110736-86-2
CosIng ID 79118
Last reviewed 4 July 2026

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

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