Targeting melanocortin receptors: an approach to treat weight disorders and sexual dysfunction Nature Reviews Drug Discovery Melanotan is trending again. As a dermatologist, I strongly need to tell you , Its an unapproved injectable peptide, and were seeing:, nausea and flushing, darkening of existing moles, No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky Woman dies after tanning injection Nursing Times Experts lash use of popular social media sun tanning drug Melanotan Angiotensin AT1A receptor signal switching in Agouti related peptide neurons mediates metabolic rate adaptation during obesity: Cell Reports