Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News Tanning peptides like melanotan are trending online, but theyre not approved, not regulated, and illegal to advertise in Australia. When products havent been properly tested, theres no way to know Risks of Melanotan: TGA to issue fresh warning against 'Barbie drug' The Australian Melanotan II A Sun Kissed Look, and a Confident You. MD breaking down Melanotan II Part 2 of my peptide series. The research, the risks, the reality. Long term safety data? Nonexistent.