Science
Mechanism of Action
This polypeptide is classified as a skin conditioning agent. Although direct mechanistic studies on SR-SILKWORM POLYPEPTIDE-2 are not readily available, its inferred benefits stem from the well-documented properties of related silk proteins and peptides, such as sericin. These established properties include enhancing skin hydration, stimulating cell proliferation (e.g., fibroblasts crucial for wound healing), providing antioxidant activity, exerting anti-inflammatory effects, and offering a degree of protection against ultraviolet radiation. Additionally, certain silkworm-derived peptides have demonstrated a capacity for melanin inhibition.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Related silk sericin exhibits water solubility, particularly when heated, though its solubility may decrease at lower temperatures, potentially leading to gel formation. Extreme pH conditions, whether highly acidic or alkaline, are known to hydrolyze peptide bonds or denature fibrous silk proteins. The precise optimal pH range for the stability of SR-SILKWORM POLYPEPTIDE-2 has not been specifically determined.
Safety
Safety Profile
SR-SILKWORM POLYPEPTIDE-2 has not been explicitly reviewed by the Cosmetic Ingredient Review (CIR) Expert Panel. However, the CIR has deemed a variety of related silk protein ingredients (e.g., Fibroin, Hydrolyzed Silk, Sericin) safe for use in cosmetics. Conversely, 'MEA-Hydrolyzed Silk' and 'Silkworm Cocoon Extract' were noted for insufficient data. An FDA GRAS (Generally Recognized As Safe) designation exists for partially hydrolyzed silk fibroin, but this applies to specific food applications and a distinct form of silk protein. Generally, some silkworm-derived peptides have shown low cytotoxicity at antimicrobial concentrations, and animal studies involving topical silk protein films have not indicated irritation or sensitization.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While SR-SILKWORM POLYPEPTIDE-2 shows potential for diverse skin benefits based on the well-established properties of related silk proteins, specific clinical efficacy, safety, and formulation data for this exact ingredient are currently limited, necessitating further research.
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