Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian You Should Avoid Using Nasal Tanning Sprays Melanotan What It Is and Its Relation to Skin Cancer Here's the part nobody explains when they're selling you the "Barbie drug.", , Melanotan 2 is a synthetic peptide that mimics alpha MSH a hormone your body already makes to tell your skin cells to Is this injectable tanning drug safe to use?