Teen Boys and Young Men Are Injecting Peptides in Search of Perfection WSJ Melanotic Macules, Naevi, and Melanoma Springer Nature Link In the process of removing a Labial Melanotic Macule. A Labial Melanotic Macule is a well defined, oval, brown to black, flat patch on the central third of the lower lip, as seen Labial Macules: Dark Spots on the Lip Dermatology Advisor Mucosal melanocytic macules Oral melanotic macule"