Oral pathology: Noting a pigmented macule that often presents a diagnostic dilemma Registered Dental Hygienists Labial lentigines, also called labial melanotic macules, is a benign skin condition that is more common in individuals with darker skin. They most often appear during adulthood although they can develop at Mucosal melanocytic macules GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B