CheckVegan

Is Polyhydroxystearic Acid vegan?

Polyhydroxystearic Acid

Vegan Vegan
Vegetarian Vegetarian

Polyhydroxystearic Acid is a polymer of 12-hydroxystearic acid, a fatty acid typically derived from castor oil. It is used as a dispersing agent and emulsifier in cosmetic and industrial formulations.

Also known as 58128-22-6
INCI name Polyhydroxystearic Acid
CAS number 27924-99-8
CosIng ID 79007
Last reviewed 9 July 2026

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

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue