Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report Emerging Threat: Melanotan, Repackaging, and Online Sales The Dangers of Melanot*n II Explained 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 Nasal Spray Side Effects and Dangers Is this injectable tanning drug safe to use?