PDRN in Korean Skincare: What It Actually Does, and What Koreans Actually Use It For

A medical syringe labeled PN beside a skincare dropper bottle labeled PDRN, separated by a not-equal sign

If you’ve spent any time on skincare TikTok lately, you’ve probably seen it: the “salmon DNA” serum. Usually there’s a caption about Korean glass skin. Sometimes there’s footage of someone getting dozens of tiny injections at a clinic in Seoul. And almost always, there’s an implication that the serum in the next clip is basically … Read more