What is Melanotan II the drug that the TGA urges consumers to avoid? How to get rid of dark spots on lips? Dr. Rasya Dixit Any information on dark spots on the bottom lip? Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and 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 Dark Patches Inside Mouth: 7 Alarming Causes Liv Hospital