Melanotan II PRAMAH THE HAVEN View of Association of tanning injection with hypercortisolism, hyperglycaemia and ketosis in type 1 diabetes mellitus British Journal of Diabetes Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn 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 No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky