Reminder of serious health risks with 'Melanotan 2' self tan products Irish Pharmacist 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 No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky Melanotan (MT) II Melanocortin Receptor TargetMol Melanotan II (Tan Jabs): Why They're Not Worth The Risk Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report