Science
Mechanism of Action
This polypeptide, comprising 53 amino acids, acts as a potent cellular signal. Upon topical application, it binds to specific Epidermal Growth Factor Receptors (EGFRs) on skin cells, initiating a cascade of cellular events. This interaction promotes cell proliferation, differentiation, and tissue repair, stimulating the growth of epidermal cells. It enhances blood vessel formation in damaged areas, encourages the secretion of rejuvenating growth factors, and boosts the proliferation of keratinocytes, endothelial cells, and fibroblasts. Consequently, this leads to improved skin barrier function, suppressed inflammatory responses, reduction of cutaneous scars, and long-term moisturization. Furthermore, SH-Oligopeptide-1 stimulates the production of extracellular matrix (ECM) components like collagen, elastin, and glycosaminoglycans such as hyaluronic acid, contributing to enhanced skin firmness, elasticity, and a youthful appearance.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 A 2012 study involving a serum containing bioengineered EGF showed statistically significant improvements in the appearance of fine lines, rhytids, skin texture, pore size, and various dyschromatic conditions within one month, with continued enhancement over three months.
- 02 One study indicated that 73% of subjects applying a topical EGF serum twice daily for 8 weeks experienced a decrease in melasma without adverse effects.
- 03 An EGF cream reduced inflammatory acne lesions by 33.5% over six weeks in a study of 20 subjects.
- 04 A clinical trial evaluating an EGF-containing cream demonstrated a significant increase in skin moisture and elasticity, and a decrease in transepidermal water loss (TEWL) after one week, suggesting improved skin barrier function.
- 05 Note: Some sources highlight a lack of scientific basis for clinical studies on SH-Oligopeptide-1 as a cosmetic ingredient, citing unproven preclinical bioactivity and the view of active EGF as a potent unauthorized drug, not a cosmetic.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
SH-Oligopeptide-1 exhibits significant pH sensitivity, requiring precise adjustment of cosmetic formulations to a pH range of 5-8 before its incorporation. It is also vulnerable to enzymatic degradation by microorganisms, necessitating stringent microbial control during product processing. Maintaining the activity of this growth factor is challenging; while typically stored at -20°C in laboratory settings for stability, only an estimated 5-10% may retain activity when stored at room temperature in a bottle.
Safety
Safety Profile
Generally considered compatible and biodegradable, SH-Oligopeptide-1's mitogenic activity (its capacity to stimulate cell proliferation) advises caution. Individuals with a history of cancerous cells, a high number of moles, extensive past UV exposure, or psoriasis should consult a healthcare professional, as EGF could theoretically facilitate the spread of certain cells. Experts generally classify EGF as mitogenic but not mutagenic, meaning it stimulates cell proliferation without altering cells to become cancerous. Regulatory perspectives vary: China prohibits human oligopeptide-1 (EGF) as a cosmetic raw material due to efficacy and safety concerns, making product claims of its inclusion illegal. The FDA has not authorized active EGF as a medication outside clinical trials, and some sources advocate for its reconsideration by regulatory bodies, viewing it as a potent unauthorized drug in cosmetic applications.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While certain studies suggest benefits for skin rejuvenation, significant regulatory classification challenges, concerns regarding unproven preclinical bioactivity for cosmetic use, and inherent stability issues render this ingredient a questionable choice for precision skincare formulations.
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