Melanotan peptide might seem like the cool thing to doit makes you look tan., But these unregulated injections come with real risks., They can cause unpredictable skin changes, including darkening of How to remove dark circles under eyes permanently An overview of benefits and risks of chronic melanocortin1 receptor activation Bhm 2025 Journal of the European Academy of Dermatology and Venereology Wiley Online Library Hannah Tittensor and her boyfriend Ben Dunlop have been injecting themselves with an illegal tanning drug called Melanotan for three years. On top of that, they use sunbeds regularly and slather themselves 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 TikTokers using genetic disorder drug for the side effects of tanning, weight loss