SODIUM PEG-4 PEI-6 PHOSPHONATE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SODIUM PEG-4 PEI-6 PHOSPHONATE

Safety grade: A

This is a synthetic chemical that acts like a magnet for unwanted minerals and metals in cosmetic products. It helps keep formulas stable by preventing these substances from causing discoloration or texture changes.

This chelating agent binds to trace metals and minerals in cosmetic formulas, preventing them from reacting with other ingredients and helping the product maintain its appearance, stability, and effectiveness.

Graded using: COSING.

Last verified: May 26, 2026