ETIDRONIC ACID is graded B (Low Concern) by Expert·ING, based on COSING, FDA regulatory data. It is restricted under EU COSING — AnnexIII-CONCENTRATION-.
ETIDRONIC ACID
Safety grade: B
Etidronic acid is a synthetic compound that acts like a magnet for metal ions and minerals in cosmetic products. It prevents these metals from causing unwanted reactions that could damage the product or reduce its effectiveness.
This chelating agent binds to trace metals and minerals in cosmetic formulations, preventing them from triggering oxidation or degradation that would compromise product stability and shelf life.
Graded using: COSING, FDA.
- EU COSING — Restricted
Last verified: May 26, 2026
Other Chelating ingredients
- CITRIC ACID — Grade B
- DISODIUM EDTA — Grade C
- TETRASODIUM EDTA — Grade C**
- SODIUM CITRATE — Grade A
- TETRASODIUM GLUTAMATE DIACETATE — Grade A
- SODIUM GLUCONATE — Grade A
- TETRASODIUM ETIDRONATE — Grade B
- TRISODIUM EDTA — Grade C**