Summit Enlighten Laser to treat labial melanotic macules on the lip before and after. Facebook 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 How Many Laser Sessions Are For Lip Pigmentation Treatment? Labial melanotic macule 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, Melanotic macules of the tongue in a newborn Journal of the American Academy of Dermatology