STEARETH-2 is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.

STEARETH-2

Safety grade: A

Steareth-2 is a man-made ingredient created by chemically combining stearic acid (a fatty acid) with ethylene oxide. It acts like a bridge between oil and water, allowing them to mix together smoothly in cosmetic products.

This ingredient helps blend oil and water-based components in cosmetics, creating a smooth, stable product texture while also helping reduce the surface tension of liquids.

Graded using: COSING, FDA.

Last verified: May 26, 2026