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 Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review Taint melanotic of the lip vaporization laser UNILASER MDICA Labial Lentigo (labial melanotic macule) Cancer Therapy Advisor Oral melanotic macule and primary oral malignant melanoma: Epidemiology, location involved, and clinical implications Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics Macular Pigmented Oral Mucosal Lesions: An Amalgam Tattoo Case Report Dentistry Today