What is PDRN? The 14 best products I tested that work — explained

If you’ve spent even five minutes scrolling through BeautyTok or dermatology forums lately, you’ve probably seen four little letters popping up everywhere: PDRN. This once-obscure ingredient has officially gone from clinical secret to skincare celebrity, and the hype is real.

Suddenly, everyone — from estheticians to influencers to that friend who “never really does skincare” — is buzzing about its glow-boosting powers. And honestly? I get it.

What is PDRN?
So what exactly is PDRN? In simple terms, it stands for Polydeoxyribonucleotide, a DNA-derived compound usually sourced from salmon (yes, salmon — don’t panic). But before you imagine smearing sushi on your face, know this: PDRN is a highly purified, bioactive molecule used for years in medical treatments to support tissue repair, wound healing and regeneration. In skincare (commonly in Korean skincare), it acts like a supercharged rejuvenator that helps improve elasticity, calm inflammation and gives that plump, healthy bounce we all chase.