Labial lentigines, also called labial melanotic macules, is a benign skin condition that is more common in individuals with darker skin. They most often appear during adulthood although they can develop at Diseases of the lips Clinics in Dermatology Oral melanoacanthoma and oral melanotic macule: a report of 8 cases, review of the literature, and immunohistochemical analysis Labial melanotic macule Labial Melanotic Macules DoveMed