For each game-changing beauty hack that goes viral on TikTok, there's an additional that makes us question if the do it yourself motion has gone a bridge as well much. And also at-home plasma pen therapies fall squarely in the last camp.Even if you're not aware of the tool itself, if you consistently engage with skincare content on TikTok, it's really feasible you've seen the results of one: Plasma pens leave pinhead-size markings on the skin. Those who get full-face treatments are left looking…See More