Tanning, fake tan and Melanotan Cancer Research UK 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 Nasal tanning sprays and oral tanning drops are often marketed as quick fixes for glowing skin but these products are unregulated in the UK, with unknown ingredients, dosing, and formulation. They have Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report TikTok tanning drug Melanotan sparks new warning over risks news.com.au Australia's leading news site for latest headlines 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.