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Is Isoniacin vegetarian?

Isoniacin

Vegetarian Vegetarian
Vegan Vegan

Isoniacin is a synthetic organic compound used in cosmetics, chemically related to isonicotinic acid derivatives.

INCI name Isoniacin
CAS number 55-22-1
EC number 200-228-2
CosIng ID 105705
Last reviewed 9 July 2026

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

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