PEG-4 LANOLATE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PEG-4 LANOLATE

Safety grade: A

This ingredient is a processed form of lanolin, a waxy substance from sheep's wool, that has been chemically modified to help mix oil and water together. It's a gentle helper that makes creams and lotions feel smooth and uniform.

It acts as an emulsifier to blend oil and water-based ingredients in cosmetics, creating stable, smooth products that don't separate.

Graded using: COSING.

Last verified: May 26, 2026