CheckVegan

Is Propylene Glycol vegan?

Propylene Glycol

Vegan Vegan
Vegetarian Vegetarian

Propylene glycol (1,2-propanediol) is a synthetic organic compound produced industrially by hydration of propylene oxide. It is widely used in cosmetics as a humectant, solvent, and skin-conditioning agent.

Also known as 1,2-Dihydroxypropane, 1,2-Propanediol, 1,2-Propylene glycol, 1,3-Dihydroxypropane, 1,3-Propanediol, E 490, E490, INS 490, PG, Propane-1,2-diol, Propylene glycol, propylenglycolum, Trimethylene glycol
INCI name Propylene Glycol
E number E1520
INS number 1520
CAS number 57-55-6
EC number 200-338-0
CosIng ID 37269
Last reviewed 11 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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