No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky ENDO TANNING Italfarmacia 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 Unlicensed weight loss drugs marketed on social media as 'prizes' Weight loss drugs The Guardian Tanning from the inside out = Highly Dangerous and Illegal!, Many products advertised on social media platforms promising a tan from the inside out or a tan without sun such as injectable Health expert says Melanotan II darkens skin moles and can make melanoma hard to detect Herald Sun