No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky 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 Urgent warning over illegal 'Barbie drug' TikTok trend 7NEWS Health warning issued over illegal 'barbie drug' advertising to young people online Buzz.ie IMB issues warning over tanning injections at salons or bought on internet The Irish Times