How Melanotan Peptides Work to Enhance Skin Tone and Promote Tanning Age Well ATL Full article: Melanotan II injection resulting in systemic toxicity and rhabdomyolysis Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Melanotan II A Sun Kissed Look, and a Confident You. Why Doctors Pair PT 141 with Oxytocin for Health TikTok No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky