No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky PDGF injections are trending fast online, but many patients are not being told the full story including that most PDGF products were never FDA approved for injection into the face. We're now seeing MALDI Matrix: Origins, Innovations, and Frontiers Chemical Reviews Dangerous' tanning products promoted by influencers