Barbie drug' nasal spray tan plugged by influencers causes cancer, doctors warn Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and longer lasting than What is the 'Barbie drug' and should authorities be worried? ABC News PDF] Pseudoleucoderma after injections of afamelanotide in a patient with atopic dermatitis. Semantic Scholar Melanotan Nasal Tanners Before and After Turbo Tan Star biracial Before and after melanotan! n3glv Flickr