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 Avoid nasal tanning sprays or nasal tanners entirely. These products promise an all over tan without sun exposure but they are unregulated, can be unsafe, and contain potentially risky substances like Melanotan 2. Buy Melanotan II for Erectile Dysfunction: What to Know Before Considering It No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky Eruptive Dysplastic Nevi Following Melanotan Use Actas Dermo Sifiliogrficas