Melanotan II: Tanning injections, nasal sprays harmful to health Nasal tanning sprays and oral tanning drops are often marketed as quick fixes for glowing skin but these products are unregulated in the UK, with unknown ingredients, dosing, and formulation. They have 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 A 'tan' you can inject has health risks, including cancer Healthing.ca Cheap, effective and easy' why women are illegally using and selling tanning nasal sprays on TikTok' Thinking about that tanning nasal spray? Don't. Unregulated nasal tanning sprays are being sold online, claiming to give you a sun kissed glow. But they're risky and illegal. According to the Chartered Trading