PDF) Increasing illegal use of Melanotan: The Barbie drug hype Background Tanning from the inside out = Highly Dangerous and Illegal! Many products advertised on social media platforms promising a tan from the inside out or a tan without sun such 95% (HPLC), MC3 R MC4 R melanocortin agonist, lyophilized solid Sigma Aldrich Melanotan II Uncovered Your Essential Guide to Tanning, Libido Enhancement, and Smart Peptide Protocols: Proven Methods to Inject Safely, Monitor Going too far to tan?