POLYQUATERNIUM-52 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYQUATERNIUM-52

Safety grade: A

This is a synthetic conditioning agent made in a lab that helps hair feel smoother and easier to comb. It works by coating the hair shaft to reduce frizz and improve shine.

This ingredient conditions and detangles hair by creating a protective coating that reduces friction, improves combability, and enhances hair smoothness and shine.

Graded using: COSING.

Last verified: May 26, 2026

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