Melanotan & Tanning Injections: Safe or Risky? 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 An unhealthy glow? A review of melanotan use and associated clinical outcomes ScienceDirect How Melanotan Peptides Work to Enhance Skin Tone and Promote Tanning Age Well ATL Melanotan II (MT II) Peptide Abbexa Ltd