PEG-350 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PEG-350

Safety grade: A

PEG-350 is a thick, colorless liquid that acts like a glue and dissolving agent in cosmetic products. It helps different ingredients mix together and stay combined in formulas.

This ingredient helps bind cosmetic components together and dissolves other ingredients to create a stable, uniform product texture.

Graded using: COSING.

Last verified: May 26, 2026