PEG-1M is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PEG-1M

Safety grade: A

This ingredient is a thickening agent made from petroleum that helps give creams and lotions their smooth, creamy texture. It also helps products spread easily on skin and improves how they feel when applied. You'll find it in moisturizers, cleansers, and other skincare products.

Graded using: COSING.

Last verified: June 9, 2026