2,6-DICARBOXYPYRIDINE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

2,6-DICARBOXYPYRIDINE

Safety grade: A

This is a lab-made chemical compound that acts like a magnet for metal ions found in water and formulas. It helps keep cosmetic products stable and effective by preventing unwanted chemical reactions caused by stray metals.

It is used in cosmetic products as a chelating agent, meaning it binds to metal ions that can destabilize formulas, cause discoloration, or reduce the effectiveness of preservatives and other active ingredients.

Graded using: COSING.

Last verified: May 26, 2026