A cross sectional study of physiologic volar melanotic macules: Demographic, historical, clinical, and dermatoscopic features of a common yet neglected pigmentary variant in individuals with skin of color Journal of the American Figure 2 from Oral pigmentation Semantic Scholar Melanotan & Tanning Injections: Safe or Risky? Melanotic macule of nail unit and its clinicopathologic spectrum ScienceDirect Avoid nasal tanning sprays or nasal tanners entirely. These products promise an all over tan without sun exposure but they are unregulated, can be unsafe, and contain potentially risky substances like Melanotan 2.