Barbie Drug, el peligroso medicamento para broncearse que arrasa en TikTok Los peligros del 'Barbie drug' y sus efectos Here's the part nobody explains when they're selling you the "Barbie drug." Melanotan 2 is a synthetic peptide that mimics alpha MSH a hormone your body already makes to tell your skin No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky