Risks of Melanotan: TGA to issue fresh warning against 'Barbie drug' The Australian Melanotan peptide might seem like the cool thing to doit makes you look tan., But these unregulated injections come with real risks., They can cause unpredictable skin changes, including darkening of Melanotan 1 Research Peptide NuVion Melanotan II (Tan Jabs): Why They're Not Worth The Risk Melanotan II (Tan Jabs): Why They're Not Worth The Risk What is the 'Barbie drug' and should authorities be worried? ABC News