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 Melanotan What It Is and Its Relation to Skin Cancer Pigmented Lesions of the Oral Cavity Oral and Maxillofacial Surgery Clinics Oral Congenital Melanocytic Nevi: A Rare Finding Consultant360 MELANOTAN EXPLAINED! Benefits, Risks, Side Effects Who's tan is reay for summer. This peptide can help.