Melanotan II (Tan Jabs): Why They're Not Worth The Risk 20 day slow titration, 2 mins in bed every other day; tan for the first time in my LIFE : r Melanotan2 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 Melanotan What It Is and Its Relation to Skin Cancer Melanotan 2 Dosage Calculator and Chart A Z Guide