SODIUM ISOSTEARATE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SODIUM ISOSTEARATE

Safety grade: A

This is a soap-like cleansing ingredient made from isostearic acid, a fatty acid. It helps remove dirt and oil from skin and hair while also helping different ingredients blend smoothly together in products.

It works as a cleanser and emulsifier to remove impurities from the skin, while also helping oil and water-based ingredients mix together in formulations.

Graded using: COSING.

Last verified: May 26, 2026