Pigmented Lesions of the Oral Mucosa Pocket Dentistry PT 141 10mg (Research Grade) Pepgenix Peptides Labial melanotic macule Stock Image C057 2077 Science Photo Library PT 141 Shop Spotty lips. These are labial melanotic macules, kinda like freckles on the lips. They are mostly due to age and sun exposure, but sometimes they run in families and are associated with a Melanotic macule at the wetdry line of the lower lip. b Melanotic Download Scientific Diagram