Structural insights into ligand recognition and activation of the melanocortin 4 receptor Cell Research Melanotan II injection resulting in systemic toxicity and rhabdomyolysis NNT mediates redox dependent pigmentation via a UVB and MITF independent mechanism: Cell Identification and characterization by LCUVMS MS of melanotan II skin tanning products sold illegally on the Internet Breindahl 2015 Drug Testing and Analysis Wiley Online Library Development of hMC1R Selective Small Agonists for Sunless Tanning and Prevention of Genotoxicity of UV in Melanocytes Journal of Investigative Dermatology No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky