Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Intramucosal melanocytic nevi CCIDE Dove Medical Press Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 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 Pigmented Lesions of the Oral Mucosa Springer Nature Link Vulvovaginal melanocytic lesions: a review Diagnostic Histopathology