I accidentally undid years of skin work and didnt realize it until it was too late., At the beginning of November, I started taking melanotan 2 and honestly?, I loved it., My tan deepened Health expert says Melanotan II darkens skin moles and can make melanoma hard to detect Herald Sun 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 Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn