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 Melanotan II Safety: Tanning Injection LIVV Natural Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News Imagine just wanting to be jacked and tan and you end up like this? Melanotan II is a peptide that increases the melanin in your skin and can give men a boner that Melanotan Tanning Injections The Low Down Lynton Lasers Nasal tanners left me suffocating in hospital'