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 Labial melanotic macules in atopic dermatitis. (a) Multiple macular Download Scientific Diagram Simple cryosurgical treatment of the oral melanotic macule Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics Labial melanotic macule Stock Image C057 2077 Science Photo Library This patient has multiple labial melanotic macules. These are essentially freckles of the lips. These most commonly involve the lower lip. This patient had involvement of both the upper and lower lips. Labial Lentigo (labial melanotic macule) Cancer Therapy Advisor