Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn 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 Melanotan 2 Reviews, Clinical Trials, and Safety Melanotan II an overview ScienceDirect Topics Health expert says Melanotan II darkens skin moles and can make melanoma hard to detect Herald Sun Figure 4 from Changes of melanocytic lesions inducedby Melanotan injections and sun bed use ina teenage patient with FAMMM syndrome Semantic Scholar