Science
Mechanism of Action
This ingredient, centered around SH-Oligopeptide-1 (EGF), functions as a potent cellular signaling molecule. It actively stimulates cell growth, proliferation, and differentiation, which are fundamental processes for skin repair and self-regeneration. Its action promotes the healing of skin injuries with reduced scarring and enhances blood vessel formation. By stimulating the proliferation of keratinocytes in the corneous layer, endothelial cells, and fibroblasts, it significantly improves skin barrier function, dampens inflammatory reactions, and reduces cutaneous scars. Additionally, it contributes to long-term moisturization and boosts the production of crucial extracellular matrix components, including collagen, elastin, and glycosaminoglycans like hyaluronic acid. This peptide is recognized as mitogenic (stimulating cell division) but not mutagenic (not altering cells in a cancerous way).
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 A serum incorporating barley bioengineered EGF demonstrated statistically significant improvements in fine lines, rhytids, skin texture, pore size, and various dyschromatic conditions, with positive trends observed within the first month and sustained over a 3-month study period.
- 02 A topical EGF serum, applied twice daily for 8 weeks, led to a decrease in melasma in 73% of subjects, with no reported side effects.
- 03 An EGF cream, applied to half the face of 20 subjects for six weeks, reduced inflammatory acne lesions by 33.5% compared to a vehicle formula applied to the other half.
- 04 Manufacturers have reported concentrations between 10 µg/g and 100 µg/g for clinical trials, though the scientific validity of these studies, and whether sh-oligopeptide-1 is functionally equivalent to active EGF, has been questioned by some reviews.
Transparency
Dusting Analysis
No data available to indicate this ingredient is commonly 'dusted' at ineffective concentrations.
The Formula
Formulation
Stability
No specific optimal pH range for stability was identified. As a medium-sized, polar molecule, a specialized delivery system may be necessary to ensure optimal skin penetration and efficacy.
Safety
Safety Profile
This ingredient is understood to contain SH-Oligopeptide-1, often referred to as EGF. Regulatory interpretations vary, with active EGF considered a potent unauthorized drug in some contexts. However, sh-EGF (sh-oligopeptide-1) is authorized for cosmetic use in several concentrations, though its long-term safety profile remains largely unexplored. While recognized as mitogenic (cell-stimulating), concerns exist regarding its potential to accelerate the proliferation of pre-existing cancerous cells. Therefore, individuals with numerous moles, a history of extensive UV exposure, established skin cancer risk factors, or psoriasis are advised to exercise caution. Despite these considerations, SkinSAFE designates sh-Oligopeptide-1 as 'Teen SAFE', 'Lip SAFE', 'Baby SAFE', 'Eyelid SAFE', and 'Irritant Free'. However, certain scientific literature critiques the foundational bioactivity and scientific validity of some clinical studies on sh-oligopeptide-1.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This ingredient demonstrates promising clinical findings for anti-aging and skin repair, yet significant regulatory concerns regarding active EGF and scientific debate over the functional equivalence and robust validation of sh-oligopeptide-1 warrant a cautious and critical assessment of its overall utility in precision skincare formulations.
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References
Sources