Melanotan 2 Cyclic Heptapeptide for Melanocortin Research Melanotan 2 (MT 2) is a synthetic peptide commonly studied for its role in melanin production and pigmentation processes. Researchers use it to explore skin response and peptide activity in controlled lab environments. Melanotan 2 (10 MG) Sigma Compounds MELANOTAN 2 VIAL High Purity 10mg Peptide for Research Pure Bio Labs Melanotan I 10mg Research Peptide Ameano Peptides