Melanotan What It Is and Its Relation to Skin Cancer Nasal sprays containing the 'Barbie Drug' melanotan are very, very dangerous and completely unregulated, according to leading dermatologist. Experts say there has been a surge in the use of the illegal tanning aid 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