What Caused These Multiple Hyperpigmented Macules of the Mouth? ORAL MELANOTIC MACULE (OMM) (Also called focal melanosis labial melanotic macule) A benign, localized, flat pigmented lesion of the oral mucosa Caused by a focal increase in melanin production Oral melanotic macules are harmless but can be removed easily with laser treatment! Quick, safe, and effective. Say hello to even toned lips! #laser #candela #pico #lips #face #makeup #spa Melanotic Macules, Naevi, and Melanoma Springer Nature Link a Melanotic macule at the wetdry line of the lower lip. b Melanotic Download Scientific Diagram Oral Melanotic Macule: Symptoms and Treatment Skinsight