PDF) Increasing illegal use of Melanotan: The Barbie drug hype Background Can You Use Melanotan Long Term? Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Uses of Melanotan II_Chemicalbook Melanotan 1 MC1R Selective Peptide for Melanocortin Research 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