DIMETHYL OXALATE is graded C** (Moderate) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-SAFETY-.

DIMETHYL OXALATE

Safety grade: C**

Dimethyl oxalate is a synthetic chemical compound used in cosmetic formulations. It helps preserve product stability and texture while improving how ingredients mix together.

This ingredient works as a chelating agent to bind unwanted metals, a plasticizer to improve product flexibility and texture, and a solvent to help dissolve and blend other ingredients in cosmetic formulas.

Graded using: COSING.

Last verified: May 26, 2026

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