Science
Mechanism of Action
This ingredient functions by delivering hydrolyzed corn protein peptides to the skin, which demonstrably reinforce the natural skin barrier. It primarily operates as a humectant, efficiently attracting and binding water within the epidermal layers, thereby preventing trans-epidermal moisture loss. Furthermore, it supports the skin's defense against external aggressors like pollution and UV radiation, simultaneously encouraging natural cellular renewal for a visibly healthier and more revitalized complexion.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
Given the absence of specific efficacy concentrations and its role primarily as a conditioning and humectant agent, Sulfurized Hydrolyzed Corn Protein is not identified as an ingredient commonly 'dusted' at sub-efficacious levels for marketing purposes.
The Formula
Formulation
Stability
No specific optimal pH range for stability in cosmetic formulations was found. However, proteins generally exhibit pH-dependent solubility and stability, suggesting careful pH consideration during formulation is prudent.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed corn-derived ingredients, including Hydrolyzed Corn Protein, safe for use in cosmetic applications under current practices. The U.S. FDA also approves related hydrolyzed vegetable proteins as food additives, indicating a generally low hazard profile at typical concentrations. Oral toxicity studies on similar vegetable hydrolysates in rats showed no adverse effects at concentrations up to 20% (approximately 20,000 mg/kg/day). It is crucial for manufacturers to ensure strict limits on potential impurities such as pesticide residues.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Sulfurized Hydrolyzed Corn Protein offers significant conditioning and humectant benefits, bolstering the skin's barrier function, with a robust safety profile for general cosmetic use.
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