SOLVENT RED 48 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
SOLVENT RED 48
Safety grade: A
Solvent Red 48 is a synthetic red dye used to add color to hair products. It's a man-made colorant designed to penetrate and stain hair fibers.
This ingredient is used in hair dyes to provide red coloring and help the dye penetrate and adhere to the hair shaft for lasting color.
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