Pigmented (Purple or Brown) Lesions in the Mouth Pigmented (Purple or Brown) Lesions in the Mouth Kazemi Oral Surgery Facialart.com Summit Enlighten Laser to treat labial melanotic macules on the lip before and after. Facebook Taint melanotic of the lip vaporization laser UNILASER MDICA Mara Ever wondered what those little brown spots are that are often found on the lip? Many refer to them as a freckle but the medical term is melanotic macules.