TETRAMETHYLAMMONIUM CHLORIDE is graded A** (Safe) by Expert·ING, based on COSING regulatory data.

TETRAMETHYLAMMONIUM CHLORIDE

Safety grade: A**

This is a laboratory-made salt compound that helps control how thick or thin a product feels. It works by adjusting the consistency of cosmetic formulas to make them easier to apply and use.

This ingredient is used to adjust and maintain the thickness of cosmetic products, ensuring they have the right texture and consistency for easy application.

Graded using: COSING.

Last verified: May 26, 2026