Pigmented (Purple or Brown) Lesions in the Mouth Pigmented (Purple or Brown) Lesions in the Mouth Kazemi Oral Surgery Facialart.com Oral pathology: Noting a pigmented macule that often presents a diagnostic dilemma Registered Dental Hygienists Any idea what's on my lips? : r Blackskincare 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.