Melanotan: Dangerous 'Barbie drug' nasal spray TikTok trend prompts new TGA warning Exclusive Melanotan II (Tan Jabs): Why They're Not Worth The Risk Illegal tanning nasal sprays being pushed by social media influencers Melanotan is not a tan. It's an unregulated peptide with real risk. As a dermatologist, here's the reality: It has been linked to new and changing moles including cases of Say No to Nasal Tanning Sprays Dermatology Times