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 Melanotan II Uncovered Your Essential Guide to Tanning, Libido Enhancement, and Smart Peptide Protocols: Proven Methods to Inject Safely, Monitor There has been a worrying increase in the number of young people using sunbeds. Some people are also using nasal sprays and injections with melanotan II in to boost their tan. This isn't Melanotan II (MT II) Peptide Therapy Beverly Hills