The Tanning Drug What Patients Should Know Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and Melanotan Nasal Tanners Before and After Turbo Tan Star 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. Tanning Nasal Spray: Should You Skip It? Understanding Nasal Tanning Sprays and Melanoma Risk