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. Figure 2 from Oral pigmentation Semantic Scholar The Art of Nail Findings in Patients with Skin of Color Next Steps in Dermatology Oral melanoma and other pigmentations: when to biopsy? Lambertini 2018 Journal of the European Academy of Dermatology and Venereology Wiley Online Library The Tanning Drug What Patients Should Know