MT 2 (Melanotan II) Polar Peptides 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 as injectable October 2017 VOL. 14, ED 3. by PeningtonInstitute Issuu That quick tan injection is NOT worth the risk., Melanotan peptide injections stimulate pigment cells, and its use has been linked to rapid changes in moles, including the potentially fatal skin