2,4-DIAMINOPHENOXYETHANOL SULFATE is graded C (Moderate) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-SAFETY-.
2,4-DIAMINOPHENOXYETHANOL SULFATE
Safety grade: C
This is a synthetic chemical compound used in hair coloring products. It acts as a color-forming agent that helps create shades in permanent and semi-permanent hair dyes.
This ingredient is used in hair dye formulations as an oxidative dye coupler or base, helping to produce and fix color within the hair shaft for long-lasting results.
Graded using: COSING.
- EU COSING — Restricted
Last verified: May 26, 2026
Safer alternatives to 2,4-DIAMINOPHENOXYETHANOL SULFATE
- 2-METHOXYMETHYL-P-PHENYLENEDIAMINE — Grade A. Oxidative hair dye base that develops color in hair shaft similar to source ingredient
- LAWSONIA INERMIS EXTRACT — Grade A. Natural plant extract used as semi-permanent hair dye and conditioning colorant
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**
- 2-METHYL-5-HYDROXYETHYLAMINOPHENOL — Grade C