Nasal Spray Sunshine Tanners The Hidden Dangers of Tanning Nasal Sprays That You Should Be Aware Of 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 Nasal tanners claim to work by using Melanotan II, a chemical that darkens skin pigmentation. It is illegal to sell medicinal products containing Melanotan II in the UK but since the tanners are sold TikTok influencers slammed for promoting melanotan as a nasal tanning product The Canberra Times Canberra, ACT Medical & Clinical Research