QUATERNIUM-43 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

QUATERNIUM-43

Safety grade: A

This is a man-made chemical that reduces static electricity in hair and skincare products. It helps prevent that annoying frizz and flyaway hair caused by electrical charge buildup.

Quaternium-43 works as an antistatic agent by neutralizing electrical charges on hair and skin, reducing frizz, improving smoothness, and making products easier to apply and spread.

Graded using: COSING.

Last verified: May 26, 2026