SOLVENT YELLOW 172 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
SOLVENT YELLOW 172
Safety grade: A
This is a synthetic yellow colorant used in hair dyes to create or contribute to yellow and golden tones in hair color formulations. It's a chemical dye molecule designed specifically to color hair.
This ingredient is a colorant used in hair dyes to impart yellow and golden hues to the hair shaft during the coloring process.
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