MT1 Peptide 10mg Australia Melanotan I Research Peptide IM AEGYO What Is Melanotan, the So Called Barbie Peptide? PS Beauty 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 PDF) Effects of a Superpotent Melanotropic Peptide in Combination With Solar UV Radiation on Tanning of the Skin in Human Volunteers