Using a Nasal Tanning Spray Scarred Me for Life This Morning 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 You Should Avoid Using Nasal Tanning Sprays Imagine just wanting to be jacked and tan and you end up like this? Melanotan II is a peptide that increases the melanin in your skin and can give men a boner that Melanotan II Nasal Tanning Spray Risks: Dizziness, Nausea, Skin Cancer Business Insider