Medicube Pdrn Pink Tension Up Sheet Face Mask 4 pack Product description Size: 1 BOX OF 4 MASKS PDRN (polydeoxyribonucleotide) is one of the most-talked-about Korean dermatology ingredients, used in the Rejuran clinic injection for regenerative treatment. Topical PDRN skincare has become a major category, with medicube's PDRN Pink Tension Up Mask bringing the ingredient into sheet mask format. The "Pink" in the name refers to the signature color of the brand's PDRN line; "Tension Up" refers to the firmness-boosting effect. PDRN (from salmon sperm DNA or equivalent bioengineered sources) binds adenosine receptors in skin cells, signaling regeneration, collagen production, and inflammation reduction. In sheet mask format, the prolonged 20-minute contact time allows significant active delivery. Who It's For Post-procedure recovery: Supports healing after laser, peel, microneedling. Mature skin wanting intensive treatment: Premium anti-aging mask session. Pre-event skin prep (3 to 5 days before): Firmness and glow boost. Rejuran/PDRN enthusiasts: Sheet mask version of the popular active.