PEG-8 is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.

PEG-8

Safety grade: A

PEG-8 is a lightweight liquid derived from petroleum that acts like a humidifier for your skin and helps dissolve other ingredients in cosmetic products. It's commonly used in skincare and makeup to keep products smooth and spreadable.

This ingredient draws moisture into the skin to keep it hydrated and helps dissolve and mix other components evenly throughout cosmetic formulas.

Graded using: COSING, FDA.

Last verified: May 26, 2026