Dangerous' tanning products promoted by influencers 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 Health expert says Melanotan II darkens skin moles and can make melanoma hard to detect Herald Sun Afamelanotide Wikipedia Risks of Melanotan: TGA to issue fresh warning against 'Barbie drug' The Australian Over a quarter of Welsh people are regularly using sunbeds Melanoma Focus