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. You Should Avoid Using Nasal Tanning Sprays View of Association of tanning injection with hypercortisolism, hyperglycaemia and ketosis in type 1 diabetes mellitus British Journal of Diabetes Love Island generation' skin cancer fear Melanotan What It Is and Its Relation to Skin Cancer