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

2-METHYLRESORCINOL

Safety grade: C

2-Methylresorcinol is a synthetic chemical compound used in hair dye formulas. It works by reacting with other dye components to create color within the hair strand.

This ingredient is used in hair coloring products as a dye coupler, helping to develop and fix long-lasting color deep within the hair fiber.

Graded using: COSING.

Last verified: May 26, 2026

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