Melanotic macule. Benign. Dark spot on labia (or lip). Analogous to lentigo simplex. Hyperpigmented basal keratinocytes & dermal melanophages. Slight in single basal melanocytes; NO nests. More info like this in The Prevalence of Oral Pigmented Lesions among Sample of Dental Students. Buy Melanotan II (10 mg) Peptide Continental Peptides The labial melanotic macule: a review of 79 cases Oral melanotic macule and primary oral malignant melanoma: Epidemiology, location involved, and clinical implications Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics