Public advisory Think twice before injecting peptides bought online: unauthorized products can seriously harm you Nasal sprays containing the 'Barbie Drug' melanotan are very, very dangerous and completely unregulated, according to leading dermatologist. Experts say there has been a surge in the use of the illegal tanning aid 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 Peptide drugs: Health Canada warns of unauthorized products Emerging Threat: Melanotan, Repackaging, and Online Sales