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 Dying for a Tan: The Rise in Sunbed Use with Melanotan @caitrionaryandermatology was featured in the @independent.ie today , Sunbed usage remains popular among young people in Ireland despite Melanotan II urgent warning about tanning product pushed on social media news.com.au Australia's leading news site for latest headlines Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian