Melanotan What It Is and Its Relation to Skin Cancer 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 longer lasting than How Melanotan Peptides Work to Enhance Skin Tone and Promote Tanning Age Well ATL Stay Sun Kissed All Year Round with Melanotan 2 Melanotan is a tanning peptide that stimulates the production of melanin in the body to foster a deep, natural tan. This is the