Lip pigmentation Lip Pigmentation Treatment in Singapore 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 melanoacanthoma and oral melanotic macule: a report of 8 cases, review of the literature, and immunohistochemical analysis 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 melanotic macule. B). Increased numbers of me lanocytes along Download Scientific Diagram