Melanotan II (Tan Jabs): Why They're Not Worth The Risk Melanotan II Peptide Cosmetic & Skin Research Compound Pharmacological Activation of the Melanocortin System Limits Plaque Inflammation and Ameliorates Vascular Dysfunction in Atherosclerotic Mice Arteriosclerosis, Thrombosis, and Vascular Biology Most people know Melanotan II as the tanning peptide but that's only part of the story. This peptide has been researched for its ability to stimulate melanin production, helping the body tan Melanotan 2 10mg Particle Peptides