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 Oral Malignant Melanoma Oral Cancer Foundation Information and Resources about Oral Head and Neck Cancer Melanotic Macules, Naevi, and Melanoma Springer Nature Link Oral Melanotic Macule MEDizzy Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update