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 Female Sexual Dysfunction: New Treatments on the Way MGH Center for Women's Mental Health Tanning Nasal Spray: Should You Skip It?