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 Lakewinds Vanilla Flavor L Carnitine 1,100mg Liquid Dietary Supplement Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review L carnitina 1g 10ml Carnisin Leti Solucin Oral Sabor Uva x 120 ml L Carnitine 3000, Orange Mango, 15.72 fl oz (465 ml)