Yes, I giggled when I heard Skin Gun. And yes, I did think it was going to be a joke video. All jokes aside though, this is pretty amazing. It’s kind of like Spider-Man’s web shooters, but filled with a stem cell goo that can supposedly re-grow damaged skin in only four days. This video shows some nasty before pictures (weak stomachs beware), but doesn’t show any progress pictures; it jumps straight to the guy fully healed. I’m a little skeptical that it can work that well and that fast but I’m all for more stem cell research.