STEARETH-27 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

STEARETH-27

Safety grade: A

A gentle cleaning agent derived from stearic acid (a fatty acid) that helps remove dirt, oil, and makeup from skin. It's created by chemically combining stearic acid with ethylene oxide to make it water-soluble.

This ingredient acts as a cleanser and surfactant to help dissolve and lift away oils and impurities from the skin without being overly harsh or drying.

Graded using: COSING.

Last verified: May 26, 2026