Brown spots, especially on the lips, can be alarming to some. In some instances it can indicate rare oral mucosal melanoma, however in this case it was a non cancerous labial melanotic macule. Pigmented Lesions of the Oral Mucosa Pocket Dentistry Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update A Black Spot on the Upper Gum for Many Years: Melanotic Macule Springer Nature Link Empower Your Wellness: 7 Key Insights In Our Peptide Research Blog