2-AMINO-5-ETHYLPHENOL HCL is graded A (Safe) by Expert·ING, based on COSING regulatory data.
2-AMINO-5-ETHYLPHENOL HCL
Safety grade: A
This is a synthetic chemical compound used in hair coloring products. It works by reacting with other color-forming ingredients to create permanent hair dye shades.
It is used in hair dye formulas as a color-developing agent that helps create and fix long-lasting color in the hair shaft.
Graded using: COSING.
Last verified: May 26, 2026
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