Get a Free 5ml Mini Now Free 5ml Mini With Every Order of The Mantle
Moumoujus

2,6-DIAMINO-3-((PYRIDIN-3-YL)AZO)PYRIDINE.

Questionable CAS 28365-08-4 / HAIR DYEING

A synthetic azo dye compound specifically designed for hair coloring applications, functioning as a non-reactive colorant in both oxidative and non-oxidative formulations. This water-soluble dye provides direct coloration by adhering to hair surfaces rather than chemically bonding with keratin structures.

Summary

hair dyeing

Science

Mechanism of Action

Acts as a direct colorant that deposits pigment onto hair shafts through physical adhesion rather than chemical reaction, maintaining color stability without requiring oxidative processes or developer interactions

Research

Clinical Evidence

High confidence
Effective range ≤0.25%
Optimal

0.25%

Key findings

  1. 01 SCCS safety evaluation at 0.25% maximum concentration for hair dye applications

Transparency

Dusting Analysis

Not commonly dusted

Restricted to hair dye applications only; not approved for general skincare formulations

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Demonstrates good aqueous stability at room temperature for minimum 8 days at concentrations between 0.3-3 mg/ml

Conflicts

  • Strong oxidizing agents
  • Strong reducing agents

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
0.25%
Sensitization risk Low

EU regulated for hair dye use only; not approved for skincare applications; non-irritating at regulated concentrations

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Questionable

Limited to hair dye applications with no established benefits for skincare formulations.

Related

Similar Ingredients

Finding similar ingredients…