2-AMINO-4-HYDROXYETHYLAMINOANISOLE SULFATE is graded C** (Moderate) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-SAFETY-.

2-AMINO-4-HYDROXYETHYLAMINOANISOLE SULFATE

Safety grade: C**

This is a synthetic chemical compound used in hair coloring products. It works as a dye intermediate, meaning it helps create and develop color when combined with other chemicals during the hair dyeing process.

This ingredient is used in permanent and semi-permanent hair dyes to help produce rich, long-lasting color by reacting with other dye components to form color molecules within the hair shaft.

Graded using: COSING.

EU COSING — Restricted

Last verified: May 26, 2026

Safer alternatives to 2-AMINO-4-HYDROXYETHYLAMINOANISOLE SULFATE

2-METHOXYMETHYL-P-PHENYLENEDIAMINE — Grade A. PPD-based oxidative dye precursor that forms color through similar coupling chemistry
LAWSONIA INERMIS EXTRACT — Grade A. Natural plant-based hair dye that produces lasting color through similar oxidation mechanisms

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