Following is transcript of the video. Celia Skvaril: Oh, my God, I feel light-headed. Have you ever met someone so dramatic? Today, I am trying the Dermavel plasma pen. It claims to painlessly remove ...

But what is plasma? Sometimes called the fourth state of matter, plasma forms when a gas is super-heated. (And it's not to be confused with the component of your blood of the same name, which you ...