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 urgent warning about tanning product pushed on social media news.com.au Australia's leading news site for latest headlines The Hidden Dangers of Tanning Nasal Sprays That You Should Be Aware Of Medical & Clinical Research Melanotan II: Tanning injections, nasal sprays harmful to health