PDRN, K-beauty’s viral ‘secret ingredient’ for plump skin: Nordstrom has products starting at $10

If your For You page has been flooded with glassy, bouncy, “salmon sperm facial” skin, you’ve already met PDRN. Short for polydeoxyribonucleotide, it’s a skin care secret ingredient that has become one of the biggest K-beauty buzzes, with fans praising it for a hydrated, plump, dewy finish.