{"id":939,"date":"2026-05-25T03:50:07","date_gmt":"2026-05-25T03:50:07","guid":{"rendered":"https:\/\/wuhantopmiraclepeptides.com\/?post_type=product&#038;p=939"},"modified":"2026-06-15T11:27:49","modified_gmt":"2026-06-15T11:27:49","slug":"pentapeptide-18-200mg","status":"publish","type":"product","link":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/product\/pentapeptide-18-200mg\/","title":{"rendered":"Pentapeptide-18  (200mg)"},"content":{"rendered":"<h1><span class=\"\">Pentapeptide-18 (200mg) Research Peptide: A Unique Neuropeptide for Dermal Research<\/span><\/h1>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">If your research targets the complex biology of neuromuscular communication, dermal ageing, or the development of next\u2011generation topical formulation science,\u00a0<\/span><strong><span class=\"\">Pentapeptide-18 (200mg) research peptide<\/span><\/strong><span class=\"\">\u00a0offers a uniquely refined experimental tool. Also known by its INCI name Pentapeptide-18 and the trademarked designation Leuphasyl\u00ae, this synthetic pentapeptide was specifically designed to interact with neuronal communication pathways in the skin<\/span><span class=\"\">. <\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">By mimicking the natural sequence of the endogenous neuropeptide Leu\u2011enkephalin, Pentapeptide-18 acts as a targeted neuromodulator, binding to enkephalin receptors on neuronal cell membranes to reduce acetylcholine (ACh) release<\/span><span class=\"\">. This decreases the intensity of repeated facial muscle micro\u2011contractions that drive the formation of dynamic expression lines, without the tissue damage or spreading concerns associated with other interventions.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">At\u00a0<\/span><strong><span class=\"\">Wuhan Top Miracle Peptides<\/span><\/strong><span class=\"\">, we supply high\u2011purity\u00a0<\/span><strong><span class=\"\">Pentapeptide-18 (200mg) research peptide<\/span><\/strong><span class=\"\">\u00a0to research institutions and wholesale buyers across the\u00a0<\/span><strong><span class=\"\">United Kingdom, France, Germany, Spain, Sweden, Italy, and the USA<\/span><\/strong><span class=\"\">. Every batch is lyophilised, HPLC\u2011verified to &gt;99% purity, and accompanied by a Certificate of Analysis (COA), ensuring your studies into dermal neuromuscular signalling, neurocosmetic formulation science, and expression line biology begin with uncompromising quality.<\/span><\/p>\n<h2><span class=\"\">What Is Pentapeptide-18 and How Does It Work?<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">To fully appreciate the research potential of\u00a0<\/span><strong><span class=\"\">Pentapeptide-18 (200mg) research peptide<\/span><\/strong><span class=\"\">, it is essential to understand its unique biochemical design and the precise mechanistic hypotheses that drive current scientific inquiry.<\/span><\/p>\n<h3><span class=\"\">The Tyr-D-Ala-Gly-Phe-Leu Pentapeptide<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Pentapeptide-18 is a synthetic peptide composed of five amino acids: tyrosine, D\u2011alanine, glycine, phenylalanine, and leucine. Its one\u2011letter code sequence is\u00a0<\/span><strong><span class=\"\">YAGFL<\/span><\/strong><span class=\"\">, with the three\u2011letter representation\u00a0<\/span><strong><span class=\"\">H\u2011Tyr\u2011D\u2011Ala\u2011Gly\u2011Phe\u2011Leu\u2011OH<\/span><\/strong><span class=\"\">. Its molecular formula is\u00a0<\/span><strong><span class=\"\">C\u2082\u2089H\u2083\u2089N\u2085O\u2087<\/span><\/strong><span class=\"\">, and its molecular weight is approximately\u00a0<\/span><strong><span class=\"\">569.6\u2013569.65\u202fg\/mol<\/span><\/strong><span class=\"\">. Its CAS number is\u00a0<\/span><strong><span class=\"\">64963\u201101\u20115<\/span><\/strong><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The presence of a\u00a0<\/span><strong><span class=\"\">D\u2011alanine residue<\/span><\/strong><span class=\"\">\u00a0at the second position is a critical structural feature. This substitution of the naturally occurring L\u2011alanine with its stereoisomer confers significantly enhanced resistance to proteolytic degradation compared to native enkephalin peptides, making Pentapeptide-18 more stable in research and formulation contexts<\/span><span class=\"\">.<\/span><\/p>\n<h3><span class=\"\">Proposed Mechanism of Action: Enkephalin\u2011Receptor Mediated Neuromodulation<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The biological activity of\u00a0<\/span><strong><span class=\"\">Pentapeptide-18 (200mg) research peptide<\/span><\/strong><span class=\"\">\u00a0is rooted in its interaction with the endogenous enkephalin system and subsequent modulation of neurotransmitter release. This mechanism is distinct from other topical neuropeptides and offers a complementary pathway for research.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Enkephalin\u2011Receptor Binding:<\/span><\/strong><span class=\"\">\u00a0Pentapeptide-18 is a structural analogue of the endogenous neuropeptide Leu\u2011enkephalin. It binds directly to enkephalin receptors (\u03b4\u2011opioid and \u03bc\u2011opioid receptors) on the surface of neuronal cell membranes<\/span><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Downregulation of Acetylcholine Release:<\/span><\/strong><span class=\"\">\u00a0This receptor binding leads to the release of inhibitory G\u2011protein subunits (G\u03b1, G\u03b2, G\u03b3), which in turn close calcium ion channels. This prevents the fusion of synaptic vesicles and reduces the release of the neurotransmitter acetylcholine (ACh) into the neuromuscular junction<\/span><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Reduction of Muscle Micro\u2011Contractions:<\/span><\/strong><span class=\"\">\u00a0With less ACh available to trigger muscle contraction, the intensity of repeated facial muscle micro\u2011contractions\u2014the underlying cause of dynamic expression lines\u2014is diminished. This effect is reversible and does not produce the &#8220;frozen&#8221; appearance associated with botulinum toxin.<\/span><\/p>\n<h3><span class=\"\">Distinct Mechanism from Other Research Neuropeptides<\/span><\/h3>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th><strong><span class=\"\">Peptide<\/span><\/strong><\/th>\n<th><strong><span class=\"\">Mechanism of Action<\/span><\/strong><\/th>\n<th><strong><span class=\"\">Research Niche<\/span><\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong><span class=\"\">Pentapeptide\u201118 (Leuphasyl\u00ae)<\/span><\/strong><\/td>\n<td><span class=\"\">Binds enkephalin (opioid) receptors; reduces ACh release without interacting with SNARE complex<\/span><\/td>\n<td><span class=\"\">Enkephalin\u2011receptor pathway, alternative\/complementary pathway studies<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Acetyl Hexapeptide\u20118 (Argireline\u00ae)<\/span><\/td>\n<td><span class=\"\">Inhibits SNARE complex assembly (synthaxin, SNAP\u201125) to block vesicle fusion<\/span><\/td>\n<td><span class=\"\">SNARE complex mechanics, neurotransmitter pathway research<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Dipeptide Diaminobutyroyl Benzylamide Diacetate (SYN\u2011AKE\u00ae)<\/span><\/td>\n<td><span class=\"\">Antagonises nicotinic acetylcholine receptors (nAChRs) to limit muscle contraction<\/span><\/td>\n<td><span class=\"\">Nicotinic receptor signalling, alternative neuromuscular pathway research<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"\">Key Research Applications for Pentapeptide-18 (200mg)<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Pentapeptide-18 (200mg) research peptide<\/span><\/strong><span class=\"\">\u00a0is a versatile tool with a broad range of potential applications across several domains of modern biomedical and formulation science.<\/span><\/p>\n<h3><span class=\"\">1. Dermal Neuromuscular Signalling &amp; Expression Line Research<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The most established and well\u2011documented research domain for Pentapeptide-18 lies in its ability to modulate neuromuscular communication in dermal tissues. Its distinct mechanism, binding to enkephalin receptors rather than directly affecting the SNARE complex or nAChRs, positions it as a powerful tool for both targeted expression line research and as a complementary agent to other neuropeptides.<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Enkephalin\u2011Receptor Pathway Studies:<\/span><\/strong><span class=\"\">\u00a0Researchers investigating the role of opioid receptor signalling in cutaneous neurobiology can use Pentapeptide-18 as a specific agonist probe to study downstream effects on neurotransmitter release, calcium channel dynamics, and muscle cell activity.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Synergistic Research with SNARE Complex Inhibitors:<\/span><\/strong><span class=\"\">\u00a0Because its mechanism is distinct from SNARE complex inhibitors, Pentapeptide-18 is a valuable tool for studying multi\u2011pathway modulation of neurotransmitter release. Research indicates that combination protocols using Pentapeptide-18 with Acetyl Hexapeptide-8 (Argireline\u00ae) can produce enhanced outcomes, with some studies reporting a\u00a0<\/span><strong><span class=\"\">47% wrinkle\u2011depth reduction<\/span><\/strong><span class=\"\">\u00a0in comparative analyses<\/span><span class=\"\">.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Expression Line Depth Quantification:<\/span><\/strong><span class=\"\">\u00a0Clinical research provides reproducible, quantifiable endpoints for Pentapeptide-18 activity. A study using silicone replicas and digital imaging found that twice\u2011daily application of a Pentapeptide-18 formulation produced an\u00a0<\/span><strong><span class=\"\">average wrinkle depth reduction of 11.31%<\/span><\/strong><span class=\"\">\u00a0over 28 days<\/span><span class=\"\">. A separate clinical trial using Pro\u2011Derm Analyser imaging reported\u00a0<\/span><strong><span class=\"\">28.4% reduction in crow&#8217;s feet<\/span><\/strong><span class=\"\">\u00a0and a\u00a0<\/span><strong><span class=\"\">34.7% reduction in frown lines<\/span><\/strong><span class=\"\">\u00a0after 56 days of application<\/span><span class=\"\">. This provides researchers with clear metrics for designing comparative and dose\u2011response studies.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">2. Skin Hydration, Elasticity, and Extracellular Matrix (ECM) Studies<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Emerging research indicates that the activity of Pentapeptide-18 may extend beyond direct neuromuscular modulation to influence dermal matrix biology. The 2026 publication\u00a0<\/span>*<span class=\"\">&#8220;Pentapeptide-18 as an anti-aging candidate: Spectroscopic characterization and molecular interaction analysis&#8221;<\/span>*<span class=\"\">\u00a0in\u00a0<\/span><em><span class=\"\">Computational Biology and Chemistry<\/span><\/em><span class=\"\">\u00a0demonstrated that Pentapeptide-18 not only inhibits neurotransmitter release but also simultaneously\u00a0<\/span><strong><span class=\"\">improves skin hydration, elasticity, and texture<\/span><\/strong><span class=\"\">.<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Computational Modelling of ECM Interactions:<\/span><\/strong><span class=\"\">\u00a0This study employed molecular docking and molecular dynamics simulations to investigate the binding behaviour of Pentapeptide-18 with key molecular targets implicated in skin ageing, including\u00a0<\/span><strong><span class=\"\">TGF\u2011\u03b2, TNF\u2011\u03b1, MAPK, PI3K\/AKT, and NF\u2011\u03baB pathways<\/span><\/strong><span class=\"\">, all of which collectively regulate inflammatory responses, oxidative stress, and ECM remodelling<\/span><span class=\"\">.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Collagen and Elastin Production:<\/span><\/strong><span class=\"\">\u00a0The peptide has been hypothesised to potentially increase skin barrier elasticity through the stimulation of key proteins collagen and elastin, both of which are critical components of the skin&#8217;s extracellular matrix and whose production tends to decrease over time<\/span><span class=\"\">.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">3. Anti\u2011Melanogenic Activity (D\u2011Tyrosine Modified Analogue)<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">A 2020 study published in\u00a0<\/span><em><span class=\"\">Scientific Reports<\/span><\/em><span class=\"\">\u00a0explored a modified analogue of Pentapeptide-18 incorporating\u00a0<\/span><strong><span class=\"\">D\u2011tyrosine<\/span><\/strong><span class=\"\">\u00a0at the N\u2011terminus. This D\u2011tyrosine\u2011enriched pentapeptide-18 was found to reduce melanin content and tyrosinase activity in human MNT\u20111 melanoma cells and primary melanocytes more effectively than D\u2011tyrosine alone<\/span><span class=\"\">.<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Dual\u2011Function Research Tool:<\/span><\/strong><span class=\"\">\u00a0This demonstrates that the pentapeptide backbone can act as a delivery vehicle to enhance the bioavailability and activity of other functional moieties (e.g., D\u2011tyrosine), making it a valuable model system for studying multi\u2011function peptide conjugates.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Hyperpigmentation Pathways:<\/span><\/strong><span class=\"\">\u00a0Researchers can use this modified analogue to study melanogenesis pathways, including tyrosinase inhibition, MC1R signalling, and MITF regulation.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">4. Neurocosmetic Formulation Development &amp; Delivery Science<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Because its intended application is topical,\u00a0<\/span><strong><span class=\"\">Pentapeptide-18 (200mg) research peptide<\/span><\/strong><span class=\"\">\u00a0is a key research tool for the field of formulation science. Its physicochemical properties and compatibility with standard cosmetic ingredients make it ideal for studying novel delivery systems and topical vehicle design.<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Stability and pH Optimisation:<\/span><\/strong><span class=\"\">\u00a0Pentapeptide-18 has an optimal formulation pH stability range of\u00a0<\/span><strong><span class=\"\">5.0\u20137.0<\/span><\/strong><span class=\"\">\u00a0and is soluble in water and glycols<\/span><span class=\"\">. This allows for reproducible formulation across diverse research contexts.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Advanced Delivery Systems:<\/span><\/strong><span class=\"\">\u00a0Studies have investigated the use of\u00a0<\/span><strong><span class=\"\">solid lipid nanoparticles (SLNs)<\/span><\/strong><span class=\"\">\u00a0to encapsulate Pentapeptide-18, demonstrating enhanced stability and bioavailability<\/span><span class=\"\">. This positions the peptide as a valuable tool for delivery science research.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Regulatory Compliance:<\/span><\/strong><span class=\"\">\u00a0Pentapeptide-18 has been approved as a new cosmetic ingredient under China&#8217;s\u00a0<\/span><strong><span class=\"\">National Medical Products Administration (NMPA)<\/span><\/strong><span class=\"\">\u00a0(\u5907\u6848\u53f7\u00a0<\/span><strong><span class=\"\">\u56fd\u5986\u539f\u5907\u5b5720250152<\/span><\/strong><span class=\"\">), with a defined maximum safe use level of\u00a0<\/span><strong><span class=\"\">1.86%<\/span><\/strong><span class=\"\">\u00a0in finished products<\/span><span class=\"\">.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2><span class=\"\">Chemical &amp; Physical Specifications<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Accurate characterisation of\u00a0<\/span><strong><span class=\"\">Pentapeptide-18 (200mg) research peptide<\/span><\/strong><span class=\"\">\u00a0is essential for reproducible experimental design. Below are the verified specifications from multiple research suppliers and authoritative sources.<\/span><\/p>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th><span class=\"\">Parameter<\/span><\/th>\n<th><span class=\"\">Specification<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong><span class=\"\">IUPAC Name \/ INCI Name<\/span><\/strong><\/td>\n<td><span class=\"\">Pentapeptide-18 (Leuphasyl\u00ae)<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Amino Acid Sequence (One\u2011Letter)<\/span><\/strong><\/td>\n<td><span class=\"\">Y(dA)GFL or YAGFL<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Amino Acid Sequence (Three\u2011Letter)<\/span><\/strong><\/td>\n<td><span class=\"\">H\u2011Tyr\u2011D\u2011Ala\u2011Gly\u2011Phe\u2011Leu\u2011OH<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Molecular Formula<\/span><\/strong><\/td>\n<td><span class=\"\">C\u2082\u2089H\u2083\u2089N\u2085O\u2087<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Molecular Weight<\/span><\/strong><\/td>\n<td><span class=\"\">~569.6 g\/mol<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">CAS Number<\/span><\/strong><\/td>\n<td><span class=\"\">64963\u201101\u20115<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Purity<\/span><\/strong><\/td>\n<td><strong><span class=\"\">&gt;99%<\/span><\/strong><span class=\"\">\u00a0(HPLC verified)<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Appearance<\/span><\/strong><\/td>\n<td><span class=\"\">White to off\u2011white lyophilised powder<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Solubility<\/span><\/strong><\/td>\n<td><span class=\"\">Soluble in water, DMSO, and glycols<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Optimal pH Stability<\/span><\/strong><\/td>\n<td><span class=\"\">5.0\u20137.0<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Storage (Lyophilised)<\/span><\/strong><\/td>\n<td><span class=\"\">\u201320\u00b0C, sealed, protected from light; stable for up to 2 years<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Storage (Reconstituted)<\/span><\/strong><\/td>\n<td><span class=\"\">2\u20118\u00b0C for up to 28 days; single\u2011use aliquots at \u201320\u00b0C for up to 3 months<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<blockquote>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Note:<\/span><\/strong><span class=\"\">\u00a0The 200\u202fmg mass refers to the weight of the peptide in its lyophilised form. The D\u2011Alanine (D\u2011Ala) residue in the second position is a stabilising modification that confers enhanced proteolytic resistance.<\/span><\/p>\n<\/blockquote>\n<h2><span class=\"\">Reconstitution &amp; Handling Protocol for Pentapeptide-18 (200mg)<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Proper reconstitution of\u00a0<\/span><strong><span class=\"\">Pentapeptide-18 (200mg) research peptide<\/span><\/strong><span class=\"\">\u00a0is critical for maintaining its structural integrity and biological activity. This protocol is designed for research use only.<\/span><\/p>\n<h3><span class=\"\">Step 1 \u2013 Preparation<\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Bring the sealed Pentapeptide-18 vial and your chosen diluent (sterile bacteriostatic water or sterile PBS, pH\u202f5\u20137) to room temperature.\u00a0<\/span><em><span class=\"\">Condensation can degrade the lyophilised powder.<\/span><\/em><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Clean your work surface with 70% ethanol and lay out sterile syringes, alcohol wipes and a clean work mat.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">Step 2 \u2013 Vial Sanitisation<\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Wipe the rubber stopper of the Pentapeptide-18 vial with a fresh 70% ethanol wipe. Allow the alcohol to evaporate completely before piercing.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">Step 3 \u2013 Reconstitution<\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Draw your desired volume of diluent into a sterile syringe. A common starting concentration for research applications is\u00a0<\/span><strong><span class=\"\">200\u202fmg per 20\u202fmL of diluent<\/span><\/strong><span class=\"\">, yielding a\u00a0<\/span><strong><span class=\"\">10\u202fmg\/mL<\/span><\/strong><span class=\"\">\u00a0stock solution.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Insert the needle and slowly inject the diluent\u00a0<\/span><strong><span class=\"\">against the inner glass wall<\/span><\/strong><span class=\"\">. Do not spray directly onto the lyophilised powder.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Gently swirl the vial until the solution is clear and fully dissolved.\u00a0<\/span><strong><span class=\"\">Do not shake vigorously<\/span><\/strong><span class=\"\">, as shaking can cause denaturation.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">Step 4 \u2013 Aliquoting &amp; Storage<\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Immediately after dissolution, aliquot the reconstituted Pentapeptide-18 into single\u2011use sterile vials.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Store aliquots at \u201320\u00b0C. Avoid repeated freeze\u2011thaw cycles.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Once thawed, store at 2\u20118\u00b0C and use within 28 days. Discard any remaining solution after this period.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">Concentration Reference Table<\/span><\/h3>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th><span class=\"\">Vial Mass<\/span><\/th>\n<th><span class=\"\">Diluent Volume<\/span><\/th>\n<th><span class=\"\">Final Concentration<\/span><\/th>\n<th><span class=\"\">Notes<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span class=\"\">200\u202fmg<\/span><\/td>\n<td><span class=\"\">20\u202fmL<\/span><\/td>\n<td><span class=\"\">10\u202fmg\/mL<\/span><\/td>\n<td><span class=\"\">Standard research stock concentration<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">200\u202fmg<\/span><\/td>\n<td><span class=\"\">40\u202fmL<\/span><\/td>\n<td><span class=\"\">5\u202fmg\/mL<\/span><\/td>\n<td><span class=\"\">Lower concentration for specific assays<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">200\u202fmg<\/span><\/td>\n<td><span class=\"\">10\u202fmL<\/span><\/td>\n<td><span class=\"\">20\u202fmg\/mL<\/span><\/td>\n<td><span class=\"\">Higher concentration for specialised work<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<blockquote>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Formulation Note:<\/span><\/strong><span class=\"\">\u00a0For\u00a0<\/span><em><span class=\"\">in vitro<\/span><\/em><span class=\"\">\u00a0or cell culture applications, further dilute the stock solution to the desired working concentration (typically 0.001%\u20110.05% for comparative studies). Pentapeptide-18 is hydrophilic; advanced delivery systems such as solid lipid nanoparticles (SLNs) may be used to enhance passive absorption<\/span><span class=\"\">.<\/span><\/p>\n<\/blockquote>\n<h2><span class=\"\">Storage &amp; Stability Guidelines<\/span><\/h2>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th><span class=\"\">Storage Condition<\/span><\/th>\n<th><span class=\"\">Shelf Life<\/span><\/th>\n<th><span class=\"\">Notes<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span class=\"\">Lyophilised at \u201320\u00b0C, unopened<\/span><\/td>\n<td><span class=\"\">2 years<\/span><\/td>\n<td><span class=\"\">Use desiccant, protect from light.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Lyophilised at 2\u20118\u00b0C, unopened<\/span><\/td>\n<td><span class=\"\">6\u201112 months<\/span><\/td>\n<td><span class=\"\">\u201320\u00b0C storage is strongly preferred for long\u2011term stability.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Reconstituted at 2\u20118\u00b0C<\/span><\/td>\n<td><span class=\"\">Up to 28 days<\/span><\/td>\n<td><span class=\"\">Must be sterile; use aseptic technique for each withdrawal.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Reconstituted aliquots at \u201320\u00b0C<\/span><\/td>\n<td><span class=\"\">Up to 3 months<\/span><\/td>\n<td><span class=\"\">Single freeze only; discard after thawing.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"\">Why Choose Wuhan Top Miracle Peptides for Pentapeptide-18 (200mg)?<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">As an authentic licensed peptide supplier based in the\u00a0<\/span><strong><span class=\"\">United Kingdom<\/span><\/strong><span class=\"\">, we supply\u00a0<\/span><strong><span class=\"\">Pentapeptide-18 (200mg) research peptide<\/span><\/strong><span class=\"\">\u00a0and a wide range of research\u2011grade compounds under rigorous quality assurance protocols, fully aligned with Google&#8217;s\u00a0<\/span><strong><span class=\"\">E\u2011E\u2011A\u2011T<\/span><\/strong><span class=\"\">\u00a0standards (Experience, Expertise, Authoritativeness, Trustworthiness).<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Verified Purity:<\/span><\/strong><span class=\"\">\u00a0Independent HPLC analysis with purity guaranteed\u00a0<\/span><strong><span class=\"\">&gt;99%<\/span><\/strong><span class=\"\">\u00a0for every batch<\/span><span class=\"\">.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">GMP\u2011Compliant Manufacturing:<\/span><\/strong><span class=\"\">\u00a0All peptides are synthesised in ISO\u202f13485:2016 and GMP\u2011certified facilities, ensuring batch\u2011to\u2011batch consistency.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Full Traceability:<\/span><\/strong><span class=\"\">\u00a0Batch\u2011specific Certificates of Analysis (COA) are available for every order.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Wholesale Supply:<\/span><\/strong><span class=\"\">\u00a0We serve research institutions, laboratories, and wholesale buyers across the UK, EU, and USA with flexible volume pricing and reliable logistics.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">UK\u2011Based Regulatory Compliance:<\/span><\/strong><span class=\"\">\u00a0All products are supplied strictly as research\u2011grade chemicals for laboratory use only (RUO).<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Researchers across the United Kingdom\u2014including those at leading institutions in London, Cambridge, Oxford, Manchester, and Edinburgh\u2014trust us for fast domestic delivery, transparent documentation and professional technical support.<\/span><\/p>\n<h2><span class=\"\">FAQ: Pentapeptide-18 (200mg) Research Peptide<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u00a0What is Pentapeptide-18 (200mg) research peptide?<\/span><\/strong><br \/>\n<span class=\"\">Pentapeptide-18 (Leuphasyl\u00ae) is a synthetic pentapeptide (Tyr\u2011D\u2011Ala\u2011Gly\u2011Phe\u2011Leu) that acts as an enkephalin receptor agonist, binding to neuronal membranes to reduce acetylcholine release and modulate neuromuscular contraction<\/span><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u00a0What is the chemical structure of Pentapeptide-18?<\/span><\/strong><br \/>\n<span class=\"\">Its structure is a pentapeptide with a D\u2011alanine substitution at the second position. The sequence is H\u2011Tyr\u2011D\u2011Ala\u2011Gly\u2011Phe\u2011Leu\u2011OH. It has a molecular formula of\u00a0<\/span><strong><span class=\"\">C\u2082\u2089H\u2083\u2089N\u2085O\u2087<\/span><\/strong><span class=\"\">\u00a0and a molecular weight of\u00a0<\/span><strong><span class=\"\">~569.6\u202fg\/mol<\/span><\/strong><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">How does Pentapeptide-18 differ from other research neuropeptides?<\/span><\/strong><br \/>\n<span class=\"\">Pentapeptide-18 works by binding to enkephalin receptors, while other neuropeptides like Acetyl Hexapeptide\u20118 (Argireline\u00ae) inhibit the SNARE complex and SYN\u2011AKE antagonises nicotinic acetylcholine receptors. This distinct mechanism makes it valuable for complementary pathway research<\/span><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u00a0What purity does your Pentapeptide-18 (200mg) meet?<\/span><\/strong><br \/>\n<span class=\"\">Our Pentapeptide-18 is tested to\u00a0<\/span><strong><span class=\"\">&gt;99% purity<\/span><\/strong><span class=\"\">\u00a0by HPLC. A Certificate of Analysis (COA) is supplied with every order<\/span><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u00a0How should I reconstitute Pentapeptide-18 (200mg)?<\/span><\/strong><br \/>\n<span class=\"\">Reconstitute with sterile bacteriostatic water or sterile PBS (pH\u202f5\u20117). Allow the vial to reach room temperature, then slowly inject the diluent against the inner glass wall and swirl gently. Do not shake. A typical starting concentration is\u00a0<\/span><strong><span class=\"\">10\u202fmg\/mL<\/span><\/strong><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u00a0What is the stability of Pentapeptide-18 in solution?<\/span><\/strong><br \/>\n<span class=\"\">Reconstituted Pentapeptide-18 should be stored at 2\u20118\u00b0C and used within 28 days. For longer storage, aliquot immediately into single\u2011use vials and store at \u201320\u00b0C for up to 3 months. Avoid repeated freeze\u2011thaw cycles.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u00a0Is Pentapeptide-18 research peptide legal to purchase in the UK?<\/span><\/strong><br \/>\n<span class=\"\">Yes. Pentapeptide-18 is a laboratory reagent sold for\u00a0<\/span><strong><span class=\"\">research use only (RUO)<\/span><\/strong><span class=\"\">. It is fully legal to purchase, possess, and use in the United Kingdom for legitimate in\u2011vitro or in\u2011vivo scientific research, provided it is not marketed with therapeutic claims.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u00a0Does Wuhan Top Miracle Peptides ship internationally?<\/span><\/strong><br \/>\n<span class=\"\">Yes. We ship across the EU (France, Germany, Spain, Sweden, Italy) and to the USA from our UK warehouse. Wholesale pricing is available for bulk orders.<\/span><\/p>\n<h2>Wholesale Pentapeptide-18 200mg Supply Across the UK and Europe<\/h2>\n<p class=\"isSelectedEnd\">Wuhan Top Miracle Peptides supports wholesale peptide and cosmetic ingredient buyers in the United Kingdom and international markets.<\/p>\n<h3>We Support Enquiries From:<\/h3>\n<ul data-spread=\"false\">\n<li>United Kingdom<\/li>\n<li>France<\/li>\n<li>Germany<\/li>\n<li>Spain<\/li>\n<li>Sweden<\/li>\n<li>Italy<\/li>\n<li>USA<\/li>\n<li>Wider Europe<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">For larger Pentapeptide-18 200mg enquiries, contact our team before ordering. This helps confirm stock, wholesale pricing, documentation, shipping options, and buyer requirements.<\/p>\n<h2>Where to Buy Pentapeptide-18 200mg in the UK<\/h2>\n<p class=\"isSelectedEnd\">If you are searching for <strong>where to buy Pentapeptide-18 200mg in the UK<\/strong>, Wuhan Top Miracle Peptides provides a simple research-focused enquiry process.<\/p>\n<h3>How to Order<\/h3>\n<ol start=\"1\" data-spread=\"false\">\n<li>Review the Pentapeptide-18 200mg product details.<\/li>\n<li>Check the current label and batch information.<\/li>\n<li>Confirm the INCI name and product identity from documentation.<\/li>\n<li>Contact our team for availability.<\/li>\n<li>Ask about COA and purity-related documentation.<\/li>\n<li>Confirm your shipping country.<\/li>\n<li>Discuss wholesale quantity requirements.<\/li>\n<li>Place your enquiry with support from our team.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/wuhantopmiraclepeptides.com\/index.php\/bulk-orders\/\"><strong>Bulk Peptides Page<\/strong><\/a><br \/>\n<a href=\"https:\/\/wuhantopmiraclepeptides.com\/index.php\/shipping-returns\/\"><strong>Shipping &amp; Returns Page<\/strong><\/a><br \/>\n<a href=\"https:\/\/wuhantopmiraclepeptides.com\/index.php\/contact-us\/\"><strong>Contact Us Page<\/strong><\/a><br \/>\n<a href=\"https:\/\/wuhantopmiraclepeptides.com\/index.php\/shop-3\/\"><strong>Shop Page<\/strong><\/a><br \/>\n<strong>Quality \/ Compliance Page<\/strong><br \/>\n<strong>Google Search Central<\/strong><br \/>\n<strong>GOV.UK \/ MHRA<\/strong><br \/>\n<strong>ASA \/ CAP Code Section 12<\/strong><br \/>\n<strong>Scientific or ingredient reference source such as PubChem, PubMed, NCBI, or an official cosmetic ingredient database<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">From its elegant design as a stabilised analogue of the endogenous neuropeptide Leu\u2011enkephalin to its well\u2011documented role in reducing dynamic expression lines, improving dermal hydration and elasticity, and serving as a novel research tool for neurocosmetic science,\u00a0<\/span><strong><span class=\"\">Pentapeptide-18 (200mg) research peptide<\/span><\/strong><span class=\"\">\u00a0provides a uniquely versatile platform for advanced dermal and neuromuscular research. <\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Its ability to achieve quantifiable outcomes in clinical research settings\u2014including\u00a0<\/span><strong><span class=\"\">11.31% wrinkle depth reduction in 28 days, 28.4% crow&#8217;s feet reduction in 56 days, and 34.7% frown line reduction<\/span><\/strong><span class=\"\">\u2014supported by molecular docking studies and computational modelling, makes it an essential addition to any laboratory investigating neuropeptide biology, topical formulation science, or expression line research.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">By choosing high\u2011purity, lab\u2011verified\u00a0<\/span><strong><span class=\"\">Pentapeptide-18 (200mg) research peptide<\/span><\/strong><span class=\"\">\u00a0from\u00a0<\/span><strong><span class=\"\">Wuhan Top Miracle Peptides<\/span><\/strong><span class=\"\">, you ensure that your research is built on a foundation of quality, reproducibility, and scientific integrity.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Ready to advance your research with Pentapeptide-18 (200mg)?<\/span><\/strong><span class=\"\">\u00a0Browse our product catalogue, request a wholesale quote, or contact our support team today to discuss your laboratory&#8217;s specific needs.\u00a0<\/span><strong><span class=\"\">Place your order now<\/span><\/strong><span class=\"\">\u00a0and receive GMP\u2011grade Pentapeptide-18 delivered directly to your facility in the UK, EU, or USA.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>High-purity Pentapeptide-18 (200mg) for dermal expression line research. Leuphasyl\u00ae analogue. Lab-tested, &gt;99% purity. Trusted UK\/EU wholesale supplier.<\/p>\n","protected":false},"featured_media":249,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[18],"product_tag":[429,268,241,395,430,428,427,426,232,212,266,215,431,269,218,239],"class_list":["post-939","product","type-product","status-publish","has-post-thumbnail","product_cat-peptides","product_tag-acetyl-pentapeptide-18-uk","product_tag-coa-peptide-supplier-uk","product_tag-cosmetic-peptide-supplier-uk","product_tag-europe-peptide-supplier","product_tag-leuphasyl-peptide-uk","product_tag-pentapeptide-18-200mg-peptide","product_tag-pentapeptide-18-peptide","product_tag-pentapeptide-18-uk","product_tag-peptide-purity-uk","product_tag-peptides-for-sale-uk","product_tag-professional-peptide-supplier-uk","product_tag-research-peptides-europe","product_tag-research-grade-pentapeptide-18","product_tag-uk-peptide-supplier","product_tag-where-to-buy-peptides-in-uk","product_tag-wholesale-peptides-uk","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/product\/939","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/comments?post=939"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/media\/249"}],"wp:attachment":[{"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/media?parent=939"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=939"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=939"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=939"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}