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 October 2017 VOL. 14, ED 3. by PeningtonInstitute Issuu Is Melanotan II (Afamelanotide) nasal spray safe to use for tanning? How to Use Melanotan Peptide for Sunless Tan BiohackNow Longevity Clinic Emerging Threat: Melanotan, Repackaging, and Online Sales Well it's that time of year and the MT2 questions are flooding the DMs so thought if quickly cover how I personally like to use MT2 to get all the possitives and