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The Korean cosmetic-derm treatment that injects polynucleotides derived from salmon sperm DNA to stimulate collagen and tissue repair. Yes, really.
PDRN binds to the A2A adenosine receptor on fibroblasts and endothelial cells, triggering increased collagen synthesis, improved microcirculation, and faster tissue-repair signalling. The clinical protocol is 3 sessions spaced 3โ4 weeks apart, with each session involving 20โ40 micro-injections of PDRN (typically 2mg/ml in 2ml vials) across the treatment area. Unlike filler, PDRN doesn't add volume โ it stimulates your own tissue to regenerate.
Numbing cream, 20โ40 needle insertions across forehead, cheeks, and jawline. Mild bruising and pinpoint swelling for 48โ72 hours. Skin feels firmer and looks plumper at 3โ4 weeks; cumulative results at 12 weeks after the full 3-session course. Korean derm clinics sell this as the "no-downtime pre-wedding" treatment; Italian clinics have used it in post-burn recovery for decades.
PDRN (polydeoxyribonucleotide) is a polymer of DNA fragments extracted and purified from salmon sperm โ a surprising source of a surprisingly-well-studied regenerative molecule. Korean and Italian cosmetic dermatology have used PDRN injectables for two decades for wound healing, burn recovery, and (more recently) cosmetic rejuvenation. The branded injectable protocols โ Rejuran Healer (already in the ChokChok treatment catalog for its topical-ritual format), Plinest, and Mastelli's PDRN โ differ from topical PDRN serums primarily in delivery depth: injections place the molecule directly in the mid-dermis where fibroblasts can be stimulated measurably.
This is not medical advice. Always consult your healthcare provider or dermatologist before trying new treatments, especially in-clinic procedures.
Step-by-step K-beauty routines that complement PDRN Injection / Salmon DNA Injection.
Products featuring the same key active ingredients โ great for extending results between treatments.
PDRN and PN are both salmon-DNA-derived ingredients used in skincare and aesthetics โ but they're not the same thing. We break down the molecular difference, the in-clinic vs topical applications, and which to pick for which goal.
PDRN is polydeoxyribonucleotide โ DNA fragments derived from salmon sperm, injected or applied topically to stimulate collagen and tissue repair. We break down what the science actually supports, which products are worth it, and why Rejuran is everywhere.
every 3-4 weeks for 3 sessions, then quarterly maintenance. Most people see results within 6-12 weeks.
The pain level for PDRN Injection / Salmon DNA Injection is moderate. Downtime: 2-3 days pinpoint bruising.
The main risks and side effects to be aware of: contraindicated in pregnancy and bleeding disorders; salmon allergy risk โ rare but serious; infection risk at injection sites (standard injectable risk โ choose licensed MD clinics). Always consult a qualified provider, especially for in-clinic procedures.
PDRN Injection / Salmon DNA Injection is in the luxury range. Typical cost: $400-900 per session in Korea, $800-1,500 in US/EU.
PDRN Injection / Salmon DNA Injection works best for mature, post-acne-scarring, post-procedure, photoaging skin, particularly those concerned with fine lines, dullness, hyperpigmentation. It may not be ideal for active-acne, pregnancy, bleeding-disorders, salmon-allergy skin.