Melanotan II (Tan Jabs): Why They're Not Worth The Risk Melanocortin agonism in a social context selectively activates nucleus accumbens in an oxytocin dependent manner ScienceDirect 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 A Current Affair: Tanning 'Barbie drug' a danger to users, experts say Don't risk using tanning products containing melanotan Therapeutic Goods Administration (TGA)