Medical & Clinical Research Serious health risk' posed by self tanning sprays promoted on TikTok here's five alternatives AiXin Private Label Bronzing Darker Skin Sunless Self Tan Extreme Tanning Accelerator Nasal Tanners Tanning Nasal Spray 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.