P-AMINOPHENOL is graded C** (Moderate) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-SAFETY-.
P-AMINOPHENOL
Safety grade: C**
P-Aminophenol is a chemical compound used as a primary coloring agent in hair dyes. It works by reacting with other dye components to create permanent color that bonds to hair strands.
This ingredient is used in hair dyes to develop and produce color by chemically reacting with other dye components, enabling the hair to absorb and retain the desired color shade.
Graded using: COSING.
- EU COSING — Restricted
Last verified: May 26, 2026
Safer alternatives to P-AMINOPHENOL
- 2-METHOXYMETHYL-P-PHENYLENEDIAMINE — Grade A. Aromatic amine oxidative dye precursor that develops color similarly in hair.
- LAWSONIA INERMIS EXTRACT — Grade A. Plant-based natural colorant that deposits and conditions color in hair.
Other Hair Dyeing ingredients
- RESORCINOL — Grade E**
- THYMOL — Grade A
- M-AMINOPHENOL — Grade C**
- 2-METHYLRESORCINOL — Grade C
- 4-AMINO-2-HYDROXYTOLUENE — Grade C
- P-PHENYLENEDIAMINE — Grade D**
- 2-METHYL-5-HYDROXYETHYLAMINOPHENOL — Grade C
- ULTRAMARINES — Grade A