Pigmentation Document Gale OneFile: Health and Medicine Summit Enlighten Laser to treat labial melanotic macules on the lip before and after. Facebook Does anyone know what this black mark on my lip is? Started last August so it's I've had it nearly a year, was living in Spain at the time for 6 months 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 Dark Spot on Lip: Harmless or Serious? What to Check First La Bouche Parfaite Removal of lip pigmentation with our Alma Q laser. Such lip spots (aka labial melanotic macules) appear for no apparent reason. Similar spots can appear due to smoking, sun damage, drug reactions,