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 How Long Does It Take For Melanotan To Work? Unlock Your Natural Glow with Melanotan and Say Goodbye to Hours Under the Sun Sponsored Content herald dispatch.com 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 What is Melanotan II the drug that the TGA urges consumers to avoid? How Long Does It Take For Melanotan To Work?