QUATERNIUM-53 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

QUATERNIUM-53

Safety grade: A

This is a charged molecule that helps reduce static electricity in hair and makes it smoother and easier to manage. It works by coating the hair shaft to reduce friction and frizz.

Quaternium-53 is used in hair care products to eliminate static buildup, improve hair conditioning, and enhance smoothness and manageability.

Graded using: COSING.

Last verified: May 26, 2026