STEARETH-20 is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.

STEARETH-20

Safety grade: A

Steareth-20 is a gentle cleaning agent made by chemically modifying stearic acid, a natural fatty acid found in plants and animals. It helps remove dirt and oil from skin while keeping products smooth and well-mixed.

This ingredient works as a cleanser and helps mix oil and water-based ingredients together in formulas, making products more effective at removing impurities while maintaining a pleasant texture.

Graded using: COSING, FDA.

Last verified: May 26, 2026