STEARETH-13 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

STEARETH-13

Safety grade: A

Steareth-13 is a gentle cleaning agent derived from stearic acid (a fatty acid found in animal and plant fats) combined with a sugar-like compound. It helps mix oil and water together in cosmetic products.

This ingredient works as an emulsifier and surfactant to blend oil and water-based components together, creating a smooth, stable texture while also gently cleansing the skin.

Graded using: COSING.

Last verified: May 26, 2026