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 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 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 What Caused These Multiple Hyperpigmented Macules of the Mouth?