Melanotan II Nasal Tanning Spray Risks: Dizziness, Nausea, Skin Cancer Business Insider Don't risk using tanning products containing melanotan Therapeutic Goods Administration (TGA) 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 Young people targeted online by sellers of 'dangerous and illegal' tanning products, HPRA warns Irish Independent Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically You Should Avoid Using Nasal Tanning Sprays