What exactly is Melanotan and how does the tanning solution work? Melanotan 2 Australia: Instagram push of illegal drug mello, m2 Herald Sun No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky 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 How Melanotan Peptides Work to Enhance Skin Tone and Promote Tanning Age Well ATL