ACID BLUE 74 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
ACID BLUE 74
Safety grade: A
Acid Blue 74 is a synthetic blue dye that is used to color hair products. It belongs to a family of colorants specifically designed to penetrate and tint hair fibers.
This ingredient is used in hair dyes and coloring products to impart blue pigmentation and color to hair strands.
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