Does anyone know what this black mark on my lip is? Started last August so it's I've had it nearly a year, was living in Spain at the time for 6 months Mucosal melanocytic macules Mucosal melanocytic macules Labial melanotic macule Melanotic Macules, Naevi, and Melanoma Springer Nature Link Oral melanotic macule and primary oral malignant melanoma: Epidemiology, location involved, and clinical implications Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics