Melanotan 2 research guide for Horikoshi. Melanocortin agonist studied for tanning and libido — covers purity testing, COA verification, reconstitution, and sourcing.
For anyone in Horikoshi looking to source Melanotan 2, the first thing to know is that this compound is available only through an online research supply market. This concentration of supply in online vendors is a genuine benefit for researchers — top vendors differentiate through analytical documentation in ways local stores never could. Vendors worth sourcing from openly share batch-matched Certificates of Analysis containing HPLC purity data, mass spec identity confirmation, endotoxin levels, and residual solvent results — all for the exact batch you are purchasing. The sections below cover what Horikoshi researchers need to know about finding, evaluating, and storing Melanotan 2 for legitimate research applications.
How Melanotan 2 Works — Mechanisms & Research
Melanotan 2 falls within a class of peptides studied for dermatological and aesthetic biology applications. GHK-Cu (glycyl-L-histidyl-L-lysine copper complex) is one of the most extensively studied cosmetic peptides, with documented activity in promoting collagen I and collagen III synthesis in fibroblast cultures, activating antioxidant enzymes, and promoting wound healing. Its copper-chelating properties make it mechanistically distinct from non-metallopeptides in the aesthetic category. Melanotan-2 (MT-2) is a cyclic analogue of alpha-melanocyte-stimulating hormone (α-MSH) that acts on melanocortin receptors — primarily MC1R in melanocytes for pigmentation effects and MC4R in the hypothalamus for other documented effects. For researchers in Horikoshi studying skin biology, pigmentation, or melanocortin receptor pharmacology, these compounds offer mechanistically specific research tools.
Melanotan 2 Purchasing Guide
Before assessing any particular supplier, understand what genuine quality documentation contains — so you can recognise whether a vendor meets it. When reviewing a Melanotan 2 COA, verify: the batch number matches your product, HPLC purity is ≥98%, mass spec identifies the correct molecular weight, and endotoxin levels are within acceptable research limits. Signs of a credible vendor beyond COA quality: established track record of at least two years, knowledgeable support capable of explaining COA data, and temperature-appropriate packaging with desiccant. Bacteriostatic water is the standard reconstitution medium for Melanotan 2 — it contains 0.9% benzyl alcohol that prevents microbial contamination and extends reconstituted shelf life to 30 days refrigerated.
Order Melanotan 2 — ships to Horikoshi
COA-verified · International tracking · Research grade
As a research compound, Melanotan 2 has not undergone the clinical trial process required for pharmaceutical approval — its safety profile is characterised by preclinical data and small-scale human observations. Lyophilised Melanotan 2 should be stored frozen (−20°C) immediately upon receipt; avoid repeatedly thawing and refreezing reconstituted peptide by preparing small aliquots before storage. The most significant preventable safety hazard in Melanotan 2 research is endotoxin contamination from poor sourcing — a documented endotoxin result in your specific batch certificate is the direct mitigation for this hazard. Protocol documentation — keeping clear records of compound, timing, and method — is a research best practice for Melanotan 2 that makes anomalous results interpretable.
Frequently Asked Questions
How is Melanotan-2 stored?
Lyophilized MT-2 should be stored at −20°C away from light (UV degrades the peptide). Once reconstituted, it should be kept refrigerated at 2-8°C in an amber or light-protected vial, and used within 30 days. MT-2 is sensitive to UV exposure, so minimize light contact during reconstitution and handling.
What are the main receptor targets of Melanotan-2?
MT-2 is a relatively non-selective melanocortin receptor agonist with activity at MC1R (melanocyte pigmentation stimulation), MC3R (CNS, energy homeostasis), MC4R (CNS, appetite/libido-related effects), and some activity at MC5R. This broad receptor activity profile means it has multiple simultaneous effects in research models.
What is Melanotan-2?
Melanotan-2 (MT-2) is a cyclic analogue of alpha-melanocyte-stimulating hormone (α-MSH) with modifications that increase potency and half-life compared to native α-MSH. It acts on multiple melanocortin receptors including MC1R (pigmentation), MC3R and MC4R (CNS effects). It is a research compound studied for melanocortin receptor pharmacology.
