Science
Mechanism of Action
SH-Oligopeptide-1, a 53-amino acid synthetic recombinant analog of human Epidermal Growth Factor (EGF), functions by precisely binding to specific epidermal growth factor receptors (EGFRs) on keratinocytes and other skin cells. This interaction initiates a cascade of intracellular signaling pathways that stimulate cell division, growth, and differentiation. Its action promotes skin repair, accelerates self-regeneration, enhances localized angiogenesis, and stimulates the secretion of rejuvenating growth factors. Furthermore, it drives the proliferation of keratinocytes, endothelial cells, and fibroblasts, leading to improved skin barrier function, mitigation of inflammatory responses, reduction of cutaneous scars, and an increased production of extracellular matrix components like collagen, elastin, and hyaluronic acid, culminating in enhanced skin hydration and firmness.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 Demonstrated effectiveness in accelerating wound healing, specifically noted in diabetic patients post-laser treatment and in the management of Senile purpura.
- 02 A systematic review from 2021 confirms its capacity to speed up wound healing in both medical and aesthetic applications.
- 03 An 8-week study on topical EGF serum, applied twice daily, resulted in a 73% decrease in melasma among subjects, with no reported side effects.
- 04 A 6-week study involving 20 subjects using an EGF cream on half their face achieved a 33.5% reduction in inflammatory acne lesions.
- 05 A 2012 study on a barley bioengineered EGF serum showed statistically significant improvements in the appearance of fine lines and rhytids, skin texture, pore size, and various dyschromatic conditions within the first month, with sustained improvement over three months.
- 06 Clinical trials evaluating an EGF-containing cream revealed a significant increase in skin moisture and elasticity, alongside a reduction in transepidermal water loss (TEWL) after just one week, indicating enhanced skin barrier function.
Transparency
Dusting Analysis
The inherent instability of SH-Oligopeptide-1 makes it exceptionally challenging to maintain its biological activity in cosmetic formulations. Research suggests that typically only 5-10% of the growth factor may remain active when stored at room temperature in a bottle, indicating a high probability that many products contain non-functional levels due to degradation rather than intentional low dosing.
The Formula
Formulation
Stability
This delicate peptide requires specific conditions to remain active, optimally functioning between pH 5.0 and 8.0. It is highly sensitive to acidic environments and microbial contamination, both of which can rapidly degrade its efficacy. For maximum stability, laboratory storage is at -20°C, as only 5-10% of its activity may persist at room temperature in standard product packaging.
Conflicts
- Acidic environments (e.g., with AHAs or BHAs)
- Microbial contamination
Safety
Safety Profile
SH-Oligopeptide-1 is a growth factor, naturally present in the human body and generally considered safe for cosmetic use due to its compatibility and biodegradability. However, its mitogenic (cell proliferation stimulating) activity raises cautions; while not mutagenic, it could potentially support the proliferation of existing cancerous cells. Therefore, individuals with a history of skin cancer, numerous moles, excessive UV exposure, or psoriasis are advised to exercise caution or avoid EGF products. Notably, in China, human oligopeptide-1 (EGF) is prohibited as a cosmetic raw material, making it illegal to add or claim its presence. The FDA's UNII listing does not constitute a safety assessment or approval for cosmetic use, and some reports suggest many formulations may contain inactive EGF.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While SH-Oligopeptide-1 demonstrates promising regenerative, anti-aging, and wound-healing capabilities in controlled studies, its extreme instability in typical formulations and specific safety considerations for vulnerable individuals render its practical efficacy and universal suitability questionable.
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