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. 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 longer lasting than Melanotan II Safety: Tanning Injection LIVV Natural Burn notice: Gen Z and the terrifying rise of extreme tanning Health & wellbeing The Guardian Melanotan What It Is and Its Relation to Skin Cancer