Martina Big, 36, who is from Germany, and her husband Michael Eurwen, 38, who both injected Melanotan, a synthetic hormone to darken their skin have announced that they are planning to permanently Woman with tanning 'obsession' claims people accuse her of trying to 'switch races' FOX 35 Orlando Here's the part nobody explains when they're selling you the "Barbie drug.", , Melanotan 2 is a synthetic peptide that mimics alpha MSH a hormone your body already makes to tell your skin cells to The Risks Behind Tan Booster Injections & Nasal Sprays