ISOSTEARIC ACID is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.

ISOSTEARIC ACID

Safety grade: A

Isostearic acid is a fatty acid derived from plant or animal oils that has been chemically modified to have a branched structure. It's a thick, oily substance that helps bind ingredients together and remove dirt and oil from skin.

This ingredient works as a cleansing agent and emulsifier to help mix water and oil-based ingredients together while also gently removing impurities from the skin and binding product components.

Graded using: COSING, FDA.

Last verified: May 26, 2026