PEG-55 CASTOR OIL is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PEG-55 CASTOR OIL

Safety grade: A

This is a processed form of castor oil, a natural oil from castor beans, that has been chemically modified to make it work better in water-based products. It helps oil and water mix together smoothly in cosmetic formulas.

It acts as an emulsifier and surfactant to blend oil and water ingredients together in products, creating a stable, smooth texture while helping the product spread evenly on skin.

Graded using: COSING.

Last verified: May 26, 2026