Emerging Threat: Melanotan, Repackaging, and Online Sales Is There a Peptide for Erectile Dysfunction? UK Evidence and Safety Bolt Pharmacy 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 longer lasting than IMB issues warning over tanning injections at salons or bought on internet The Irish Times Over a quarter of Welsh people are regularly using sunbeds Melanoma Focus