A 'tan' you can inject has health risks, including cancer Healthing.ca No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky Are Nasal Tanning Sprays Safe? Dermatologist's Verdict New tanning trend you should never try 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.