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Is Guanidine Carbonate vegetarian?

Guanidine Carbonate

Vegetarian Vegetarian
Vegan Vegan

Guanidine Carbonate is the carbonate salt of guanidine, a white crystalline synthetic compound used in cosmetics as a pH adjuster and in hair straightening and permanent wave formulations.

Also known as Diguanidinium Carbonate
INCI name Guanidine Carbonate
CAS number 593-85-1
EC number 209-813-7
CosIng ID 34172
Last reviewed 4 July 2026

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

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