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 Oral Melanotic Macule: Symptoms and Treatment Skinsight Labial Melanotic Macules in Atopic Dermatitis: An Observational Study Semantic Scholar Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome