Science
Mechanism of Action
Although phenoxyacetic acid shares a structural kinship with glycolic acid, a known exfoliating AHA, a precise mechanism of action for phenoxyacetic acid itself as an active ingredient in skincare formulations has not been explicitly defined in available research. Related compounds have demonstrated antibacterial, antifungal, and anti-inflammatory activities across various applications.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Phenoxyacetic acid exhibits a pKa ranging from 3.17 to 3.7 at 25°C, indicating optimal stability in acidic to slightly acidic environments. It is generally stable but is incompatible with strong bases and strong oxidizing agents, reacting exothermically with all bases.
Conflicts
- strong bases
- strong oxidizing agents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has not specifically evaluated Phenoxyacetic Acid for cosmetic use, nor has the Scientific Committee on Consumer Safety (SCCS) issued an opinion directly on this ingredient in cosmetics. While it is categorized as 'generally recognized as safe' (GRAS) by the U.S. FDA for minor uses as a food additive and perfume component, this designation does not apply to its role as an active ingredient in skincare.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Due to an absence of explicit mechanistic data for its active skincare use, coupled with a lack of dedicated safety reviews for cosmetic applications, there is insufficient data to evaluate Phenoxyacetic Acid's role in precision skincare.
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