Think you need the Barbie drug (Melanotan II) to get a tan? Think again This unapproved synthetic drug might promise a sunless tan, but it's far riskier than it seems. From nausea to 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 Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News Melanotan II an overview ScienceDirect Topics