Melanotan II for Erectile Dysfunction: What the Evidence Shows and Practical Considerations Melanotan II Peptide: How to get the Perfect Tan Without Beds or Sprays How Melanotan Peptides Work to Enhance Skin Tone and Promote Tanning Age Well ATL 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