Oral Malignant Melanoma Oral Cancer Foundation Information and Resources about Oral Head and Neck Cancer Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome Empower Your Wellness: 7 Key Insights In Our Peptide Research Blog Melanotan 2 Buy Melanotan 2 Peptide at Fatburners.at 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.