You Should Avoid Using Nasal Tanning Sprays PDF] Melanotan Induced Hyperpigmentation of Oral Soft Tissues Semantic Scholar Dermatologist Explains: Melanotan 2, SPF Oils, and More! 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