Science
Mechanism of Action
HC Orange No. 1's primary mechanism involves imparting color to hair fibers. There is no available scientific information detailing a specific mechanism of action on skin for any beneficial skincare purposes.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
This ingredient's primary function is as a hair colorant, and it is not typically associated with skincare claims that would involve 'dusting' or exaggerated benefits.
The Formula
Formulation
Stability
The stability of HC Orange No. 1 in finished products is not extensively detailed; however, laboratory measurements in DMSO and PEG 400 solutions indicated minimal changes in concentration over several days.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel deemed HC Orange No. 1 safe for use in hair dye formulations at concentrations up to 3.0%. For non-oxidative hair dye applications in Europe, the Scientific Committee on Consumer Products (SCCP) considered it safe with an on-head concentration limit of 1.0%. The ingredient is regulated by the FDA under hair dye provisions, which may require caution statements and patch testing. It is important to note that HC Orange No. 1 is not approved by the FDA as a color additive for general cosmetic, food, or drug use.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While considered safe for use in hair dye formulations at specific concentrations, HC Orange No. 1 lacks any documented benefits or established mechanisms for precision skincare applications, rendering its inclusion in such products unsubstantiated.
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References
Sources