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 II (Tan Jabs): Why They're Not Worth The Risk What is Melanotan 2? Honest Peptide No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky A new viral beauty habit that could have "catastrophic" long term consequences.