POLYQUATERNIUM-14 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYQUATERNIUM-14

Safety grade: A

This is a synthetic polymer (a chain of molecules linked together) that is positively charged. It's designed to cling to hair and skin to create a protective layer.

It reduces static electricity in hair and leaves, and creates a thin protective film on the surface to improve texture, shine, and smoothness.

Graded using: COSING.

Last verified: May 26, 2026