Science
Mechanism of Action
Functions through oxidative coupling chemistry where the compound reacts with oxidizing agents to form complex, high-molecular-weight pigment polymers that deposit color within hair structures or on skin surfaces
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 Demonstrated potent allergenic properties causing contact dermatitis in patch testing studies
Transparency
Dusting Analysis
Not applicable for skincare dusting analysis as this ingredient is restricted to hair coloring applications due to high sensitization potential
The Formula
Formulation
Stability
Requires highly alkaline conditions for stability; extremely photosensitive and oxidation-prone, causing discoloration when exposed to air or light
Synergies
- Other aromatic amines for color development
- Alkaline pH buffers for stability
Conflicts
- Hydrogen peroxide (triggers reaction)
- Acidic compounds
- Reducing agents
Safety
Safety Profile
Classified as extremely potent skin sensitizer; restricted under European Commission regulations with specific usage limitations
Your Skin
Skin Compatibility
Our Assessment
Verdict
High sensitization risk and regulatory restrictions make this ingredient unsuitable for precision skincare applications.
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