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 Relative frequency of solitary melanocytic lesions of the oral mucosa Buchner 2004 Journal of Oral Pathology & Medicine Wiley Online Library Pigmentations of the oral cavity PPTX Melanotan II (Tan Jabs): Why They're Not Worth The Risk Oral melanoacanthoma and oral melanotic macule: a report of 8 cases, review of the literature, and immunohistochemical analysis Endogenous Pigmented Lesions of the Oral Cavity Malignant Melanoma & Differentials Explained