SOLVENT YELLOW 18 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
SOLVENT YELLOW 18
Safety grade: A
Solvent Yellow 18 is a synthetic yellow colorant used to create yellow and golden tones in hair dyes. It's a chemical dye molecule that dissolves in hair dye formulations to deposit color onto hair strands.
This ingredient is used in hair dyes to provide yellow pigmentation and help achieve desired hair color results when applied to hair.
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