PEI-1400 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PEI-1400

Safety grade: A

This is a synthetic polymer (plastic-like substance) that helps control how thick or thin a product feels. It's used to adjust the texture and spreadability of cosmetic formulations.

PEI-1400 thickens or thins cosmetic products to achieve the desired consistency, making them easier to apply and improving how they feel on the skin.

Graded using: COSING.

Last verified: May 26, 2026