Science
Mechanism of Action
This compound primarily functions within botanical systems, regulating auxin activity essential for plant physiological and pathophysiological responses. Currently, there is no clearly defined mechanism of action or demonstrated efficacy specifically on human skin for cosmetic applications. It should be differentiated from other phenylalanine derivatives, such as Undecylenoyl Phenylalanine, which actively inhibits melanin production as an MSH-antagonist.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
As a weakly acidic compound with a pKa of approximately 4.1, its stability in aqueous systems may be pH-dependent. However, a precise optimal pH range for its integration and stability within cosmetic formulations has not been determined.
Safety
Safety Profile
While the Cosmetic Ingredient Review (CIR) Expert Panel has deemed alpha-amino acids, including phenylalanine, safe for cosmetic use within typical concentrations for dermal irritation and sensitization, Indol Acetyl Phenylalanine itself has not undergone a dedicated CIR review. The FDA generally recognizes L-amino acids as safe (GRAS) for food use. However, comprehensive safety and toxicological data for this specific phenylalanine derivative, particularly concerning prolonged human exposure in cosmetic applications, are noted to be limited.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Given the absence of identified cosmetic mechanisms, clinical efficacy studies, and specific safety reviews for human skin, the value of Indol Acetyl Phenylalanine in skincare formulations is currently unsubstantiated.
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References
Sources