Is Rejuran in Korea Legit? Salmon DNA, the Diluted-Vial Swap, and the Foreigner Price
Photo: Unsplash / Trung Nhan Tran
You've seen the "salmon sperm facial" headlines, watched a couple of before-and-afters, and now you're trying to work out whether Rejuran is real skin science or the K-beauty hype machine doing its thing — and whether the number a Seoul clinic quotes you is the actual price or the foreigner one. Both questions have clean answers. I'll give you the maker, the vials, the real numbers, and the swap nobody warns you about.
What Rejuran actually is (and what it isn't)
Rejuran is made by one Korean company: PharmaResearch (파마리서치), listed on the KOSDAQ as 214450. They launched it in 2014 as Korea's first skin booster, and it's now their export engine — first-quarter 2026 export revenue hit 58.8 billion won, up 30% on the year. So when a clinic says "Rejuran," they're naming one specific branded product, not a category. That matters later.
What's in the vial is polynucleotide (PN) — long DNA fragments extracted from salmon. The internet calls it "salmon sperm"; it's really purified salmon DNA. It is not a filler. Filler (hyaluronic acid) adds volume by sitting under your skin. Rejuran does the opposite — it goes into the dermis to nudge your own fibroblasts to make collagen. So if you want a plumper face by tomorrow, this is the wrong product. If you want texture, fine lines, and skin that looks less tired over a few months, this is what it's for.
One honest caveat up front: Rejuran is approved by Korea's MFDS and Singapore's HSA, but it is not FDA-approved as an injectable in the US as of 2026. That's exactly why people fly here for it.
Healer, HB, i, S — know which vial you're paying for
"Rejuran" is a line, not one thing. The four you'll see on an Apgujeong menu:
- Rejuran Healer — the original, 2cc of straight PN, for overall face texture and elasticity. The workhorse.
- Rejuran HB / HB+ — PN mixed with hyaluronic acid and lidocaine, 1cc, more about hydration and less painful going in.
- Rejuran i — a thinner formula for the under-eye, where the skin is too delicate for the regular stuff and lumps show easily.
- Rejuran S — the highest concentration, thickest, used to fill in acne scars.
A clinic that quotes you "Rejuran" with no variant and no cc count is being vague on purpose. The variant and the volume are the price.
How much does Rejuran cost in Korea — and the foreigner price
A full-face Healer session (2cc) runs roughly 250,000–380,000 won at a Seoul clinic — about $180–275. Compare that to the US, where the same PN injection runs $800–1,500 a session when a clinic does it off-label. That three-to-five-times gap is the actual reason to do it in Seoul, more than any foreigner-rate drama.
But the foreigner rate is real on top of that. The Apgujeong and Cheongdam clinics running English Instagram and paying coordinators tend to quote a number closer to double what a Korean walk-in sees down the street. Rejuran is a course — 3 to 4 sessions, 3 to 4 weeks apart — so a markup per session compounds fast. Get the per-session, per-cc, per-variant number in writing before you book the package.
The swap: when "Rejuran" in your quote isn't Rejuran
This is the one most foreigners don't see coming. PN skin boosters are now a crowded shelf — Juvelook, Plinest, cheaper Chinese-made PN/PDRN vials — and some cost a clinic a fraction of genuine Rejuran. A factory clinic that quoted you the Rejuran price has a margin reason to put a cheaper booster in the gun, or to dilute the real one to stretch a vial across two faces. You won't feel the difference on the table. You'll feel it in three months when nothing changed.
It's the same trick as the fake-machine and unbranded-filler problems: you're paying for a brand you can't see go in. The fix isn't faith. It's checking.
How to verify the real vial in 60 seconds
PharmaResearch built anti-counterfeit features into the packaging precisely because of the swap. Before injection, ask to see the box and the blister pack, and check three things:
- The DOT hologram label on the package.
- The QR code on the back — it scans to an authentication page.
- The NFC tag — tap it with a phone and it confirms genuine.
A careful clinic opens the sealed package in front of you. If the product is already drawn into a syringe when you sit down, or staff get cagey about showing the box, that's your answer. Same for volume — watch how many vials get opened. One 2cc Healer vial is one full face. If they're treating your face and your friend's from a single vial, you're getting half a dose at full price.
The hand vs the gun — why the injector matters more than the brand
Rejuran goes in one of two ways: by hand, point by point with a needle, or with an MTS "gun" that stamps it across the skin fast. Hand injection by a careful doctor places it at the right depth and is what acne scars and under-eyes need; the gun is faster and shallower, fine for general glow, but a rushed gun in a high-volume clinic puts product too shallow and leaves you bumpy.
Speaking of bumps — small raised papules at the injection points right after are normal. That's PN sitting in the dermis before it spreads, and they settle in 24 to 48 hours. Lasting lumps, hard nodules, or color changes are not normal and mean the depth or the product was wrong. Ask who is actually injecting. In a factory clinic the consult is a doctor and the needle is a nurse you never met — the shadow-doctor problem, shrunk down to a syringe.
Who Rejuran is actually for — and who's being oversold
Honest version: Rejuran is good for skin quality — texture, fine lines, dull tired skin, early aging, and as a course alongside lasers. The science behind PN is real, not just marketing.
It's oversold when a clinic pitches it as a fix for deep volume loss (that's filler or fat), for sagging that needs lifting (that's Ultherapy, Thermage, or a thread), or as a one-session miracle. It's a series, and the result is "your skin, but less tired," not a new face. If a counselor tells you Rejuran will lift your jowls or erase a deep nasolabial fold, they're selling, not assessing.
The questions that catch a careless clinic
Bring these to the consult:
- Which variant, how many cc per session, and what's the per-session price in won?
- Can I see the sealed Rejuran box and scan the QR or NFC before you inject?
- Is a doctor injecting or a nurse — and by hand or by gun?
- How many sessions are you recommending, and why that number for my skin?
- What's your plan if I get lasting lumps after I fly home?
A clinic that answers all five plainly is the kind you want. One that gets vague on the box or the injector is telling you which kind it is.
Talk to Kuratio: tell us what you're considering on WhatsApp and we'll come back with vetted clinic options and an itemized quote — no markup, no commission.
Kuratio is not a medical provider. All clinical decisions are made by the treating physician at the partner clinic. This guide is general information, not medical advice.