Melanotan II: Tanning, Sexual Health Benefits, & Safety Concerns No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky Emerging Threat: Melanotan, Repackaging, and Online Sales Melanotan injections are sold illegally and possibly unsafe Cancer Research UK Cancer News No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky