Science
Mechanism of Action
Acts as a precursor molecule in oxidative hair coloring systems, undergoing chemical transformation when exposed to alkaline conditions and oxidizing agents to form large pigment complexes, but provides no direct skincare benefits such as hydration or anti-aging effects.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Deemed safe for consumer use in hair dye applications at concentrations not exceeding 0.2%
Transparency
Dusting Analysis
Not applicable for skincare formulations as this ingredient is restricted to hair dye applications only
The Formula
Formulation
Stability
Extremely unstable when exposed to light and oxygen, rapidly oxidizing from white to dark brown/black coloration; requires alkaline environment for intended function
Conflicts
- Strong oxidizing agents before application
- Strong acids
- Nitrosating compounds due to N-nitroso formation risk
Safety
Safety Profile
Recognized as potential skin sensitizer; safety evaluation limited to hair dye applications; listed as restricted substance under EU Annex III
Your Skin
Skin Compatibility
Our Assessment
Verdict
Inappropriate for skincare formulations as this ingredient is specifically restricted to hair dye applications and offers no skincare benefits.
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References
Sources