Melanotan 2 II Peptide Review Tanning Injection Results [STAY TAN YEAR ROUND!] Comment TAN for video sent to your DM , I used MELANOTAN 1 & 2 over the last four months and todays video goes over the questions Ive seen you ask, what my schedule was, how I used both, what side Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and Melanotan II Alchetron, The Free Social Encyclopedia