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 Melanotan 1 (10 MG) Sigma Compounds Buy Melanotan 2 Nasal Spray Ireland Direct Peptides MELANOTAN 2 (10ml 20mg) peptide to stimulate melanin synthesis. Melanotan Tanning Injections The Low Down Lynton Lasers