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 Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News Melanotan II 10mg (MT 2) Peptide: Purity Research What is Melanotan II the drug that the TGA urges consumers to avoid? There has been a worrying increase in the number of young people using sunbeds. Some people are also using nasal sprays and injections with melanotan II in to boost their tan. This isn't Melanotan What It Is and Its Relation to Skin Cancer