Melanotan Tanning Injections The Low Down Lynton Lasers The Peptide Craze Ground Truths 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 What It Is and Its Relation to Skin Cancer Australia's Therapeutic Goods Administration is urging consumers to not use tanning products containing a synthetic peptide called 'Melanotan'. The drug can cause serious side affects, such a kidney failure, chest pains, acne,