Science
Mechanism of Action
Functions as a primary intermediate that undergoes oxidative coupling reactions with hydrogen peroxide and other precursors to form large pigment molecules that become trapped within hair shafts, creating permanent color changes.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Maximum safe concentration established for oxidative hair dye formulations based on comparative safety data from similar p-phenylenediamine derivatives
Transparency
Dusting Analysis
This ingredient is not used in skincare formulations and therefore dusting practices are not applicable
The Formula
Formulation
Stability
Extremely sensitive to oxidation and requires alkaline conditions for proper function, making it unsuitable for typical skincare pH ranges
Conflicts
- Strong oxidizing agents
- Strong reducing agents
- Metal ions
Safety
Safety Profile
Restricted to hair dye applications only, prohibited for use on eyelashes or eyebrows, carries significant allergenic potential typical of p-phenylenediamine derivatives
Your Skin
Skin Compatibility
Our Assessment
Verdict
This hair dye ingredient has no place in precision skincare formulations and carries unnecessary sensitization risks for facial application.
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References
Sources