Science
Mechanism of Action
As a synthetic peptide, SH-POLYPEPTIDE-86 primarily acts as a skin conditioning agent, helping to preserve the skin's overall condition. It is noted for mimicking some activities of the natural protein follistatin. Peptides in cosmetics generally work by signaling the skin to activate its natural repair processes, stimulate regeneration of mature cells, fortify structural integrity, and contribute to a visible reduction in the appearance of wrinkles. This ingredient may also be classified among polycollagen peptides, which emulate collagen fragments to aid in skin repair, potentially mitigating lines and wrinkles and enhancing complexion and elasticity. Notably, when integrated into a fusion peptide such as Nicotiana Benthamiana Hexapeptide-40 SH-Polypeptide-86, its function is specifically described as hair conditioning.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
SH-POLYPEPTIDE-86 exhibits characteristics that could lead to 'dusting' in formulations. The research data indicates a lack of specific preclinical or clinical data demonstrating its efficacy for skin benefits, and product concentrations are frequently undisclosed. Furthermore, its substantial molecular size, estimated between 8000–10000 Da, suggests potential challenges for effective passive skin absorption, questioning its functional impact without specialized delivery methods.
The Formula
Formulation
Stability
Due to its large molecular size (approximately 8000–10000 Da), effective delivery of SH-POLYPEPTIDE-86 for skin penetration may necessitate specialized carriers or advanced methods like microneedling. Its passive uptake and stability, particularly in rinse-off applications such as shampoos, are considered questionable.
Safety
Safety Profile
No specific safety status from regulatory bodies like CIR, SCCS, or FDA was identified for SH-POLYPEPTIDE-86. General assessments for broader peptide categories typically conclude they are safe in current cosmetic applications, though SH-POLYPEPTIDE-86 is not explicitly named. Reviews of products containing this ingredient have noted a deficiency in preclinical or clinical efficacy data and often undisclosed concentrations of active components. Peptides, in general, are widely regarded as safe for all skin types and are considered unlikely to induce irritation.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While SH-POLYPEPTIDE-86 functions as a skin conditioning agent and offers potential anti-aging benefits consistent with general peptide mechanisms, robust clinical data specifically demonstrating its efficacy for standalone skin applications remains limited.
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References
Sources