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

QUATERNIUM-52

Safety grade: A

Quaternium-52 is a conditioning agent derived from natural sources that helps reduce static electricity in hair while making it smoother and easier to manage. It works by coating the hair shaft to improve texture and reduce frizz.

This ingredient conditions hair, reduces static buildup, and helps products spread evenly throughout hair and on skin.

Graded using: COSING, FDA.

Last verified: May 26, 2026