Science
Mechanism of Action
As a structural pigment, it functions by reflecting specific wavelengths of light within the orange spectrum. It does not penetrate the skin barrier or interact with biological pathways; rather, it sits on the surface of the product or skin to provide visual coloration.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
As a colorant, this ingredient is used in micro-concentrations required only to achieve the desired visual shade; it is not a performance active subject to 'dusting' in the traditional sense.
The Formula
Formulation
Stability
Highly lipophilic with negligible water solubility (approx. 0.024 mg/L). It demonstrates significant pH sensitivity, shifting toward red-brown in acidic environments and showing fluorescence in specific alkaline conditions.
Safety
Safety Profile
Regulated under EU Annex IV; strictly prohibited for use in products applied to mucous membranes, including the eye area and lips. FDA regulations limit its use to external applications only.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A safe, non-functional synthetic dye used strictly for aesthetic tinting in external-use formulations.
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References
Sources