2-METHYL-5-HYDROXYETHYLAMINOPHENOL is graded C (Moderate) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-SAFETY-.
2-METHYL-5-HYDROXYETHYLAMINOPHENOL
Safety grade: C
This is a synthetic chemical compound used in hair coloring products. It works as a color-forming ingredient that helps create the final shade when combined with other dye components.
It is used in hair dye formulations as a color coupler, reacting with other dye molecules to produce a range of hair color shades, particularly brown and neutral tones.
Graded using: COSING.
- EU COSING — Restricted
Last verified: May 26, 2026
Safer alternatives to 2-METHYL-5-HYDROXYETHYLAMINOPHENOL
- 2-METHOXYMETHYL-P-PHENYLENEDIAMINE — Grade A. Direct substitute: aromatic amine coupling agent for oxidative hair dye formulations.
- LAWSONIA INERMIS EXTRACT — Grade A. Plant-based alternative that provides natural hair coloring through plant pigments.
Other Hair Dyeing ingredients
- RESORCINOL — Grade E**
- THYMOL — Grade A
- M-AMINOPHENOL — Grade C**
- P-AMINOPHENOL — Grade C**
- 2-METHYLRESORCINOL — Grade C
- 4-AMINO-2-HYDROXYTOLUENE — Grade C
- P-PHENYLENEDIAMINE — Grade D**
- ULTRAMARINES — Grade A