Nasal tanners left me suffocating in hospital' Unauthorized injectable peptides and their potential serious health risks College of Physicians & Surgeons of Alberta CPSA Don't risk using tanning products containing melanotan Therapeutic Goods Administration (TGA) 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 You Should Avoid Using Nasal Tanning Sprays