PEI-7 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PEI-7

Safety grade: A

PEI-7 is a synthetic polymer that acts like a thickening agent in cosmetic formulas. It helps create the right texture and consistency so products flow smoothly and feel pleasant on the skin.

This ingredient controls the thickness and flow of cosmetic products, ensuring they have the ideal consistency for application while improving their stability and appearance.

Graded using: COSING.

Last verified: May 26, 2026