Eruptive Dysplastic Nevi Following Melanotan Use Actas Dermo Sifiliogrficas 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 Warning issued over increased use of 'Barbie drug' Tanning, fake tan and Melanotan Cancer Research UK Dark side: tanning injections 'may be lethal' Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian