Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal Perioral Pigmentation One Area. Many Diagnoses. Dark skin around the mouth is one of the most common concerns I see in my OPD but it is never just tanning. Figure 1 from Oral Melanosis Semantic Scholar Black and Brown: Non neoplastic Pigmentation of the Oral Mucosa Head and Neck Pathology Springer Nature Link Universal acquired melanosis (Carbon baby) Indian Journal of Dermatology, Venereology and Leprology