Young people targeted online by sellers of 'dangerous and illegal' tanning products, HPRA warns Irish Independent 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 Melanotan & Tanning Injections: Safe or Risky? 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