ISOSTEARETH-8 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

ISOSTEARETH-8

Safety grade: A

This is a gentle cleaning agent derived from isostearic acid, a type of fatty acid. It helps remove dirt, oil, and makeup from skin while keeping it soft and hydrated.

It works as a mild cleanser and emulsifier that removes impurities and helps blend oil and water-based ingredients together in formulations.

Graded using: COSING.

Last verified: May 26, 2026