Melanotan: Dangerous 'Barbie drug' nasal spray TikTok trend prompts new TGA warning Exclusive Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Don't risk your health for a summer glow! Tanning nasal sprays are creeping onto the UK market, particularly on online and lack of regulation means they are a significant risk to your Risks of Melanotan: TGA to issue fresh warning against 'Barbie drug' The Australian Melanotan II (Tan Jabs): Why They're Not Worth The Risk MD breaking down Melanotan II Part 2 of my peptide series. The research, the risks, the reality. Long term safety data? Nonexistent.