2,6-DIAMINO-3-((PYRIDIN-3-YL)AZO)PYRIDINE is graded A** (Safe) by Expert·ING, based on COSING regulatory data.
2,6-DIAMINO-3-((PYRIDIN-3-YL)AZO)PYRIDINE
Safety grade: A**
This is a synthetic chemical compound used as a color molecule in hair dye products. It belongs to a family of azo dyes, which are known for their ability to produce vibrant, long-lasting color on hair.
It is used in hair coloring products to deposit and develop color on the hair shaft, helping to achieve desired hair shades.
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