How Tanning Injections Work [Print Article] All Things Tanning For Tan Fans! Melanotan II Safety: Tanning Injection LIVV Natural No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky People are injecting a tanning peptide to get darker skin without the sun., Its called Melanotan., It works by stimulating melanin production in the body but regulators have raised serious safety Melanotan II (Tan Jabs): Why They're Not Worth The Risk