No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky Melanotan II (Tan Jabs): Why They're Not Worth The Risk Melanotan peptide might seem like the cool thing to doit makes you look tan., But these unregulated injections come with real risks., They can cause unpredictable skin changes, including darkening of Man's tanning injection disaster: 'Doctor's called me an idiot' news.com.au Australia's leading news site for latest headlines