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. 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. Melanotan What It Is and Its Relation to Skin Cancer Melanotan What It Is and Its Relation to Skin Cancer Melanotan Tanning Injections The Low Down Lynton Lasers