Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report Pigmented Lesions of the Oral Mucosa Pocket Dentistry PDF) Use of melanotan I and II in the general population 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 Dermpath Made Simple Neoplastic: Oral Tumours