Are Nasal Tanning Sprays Safe? Dermatologist's Verdict 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. Nasal Tanning Sprays: Illuminating the Risks of a Popular TikTok Trend MDedge New tanning trend you should never try Melanotan II (Tan Jabs): Why They're Not Worth The Risk 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