Rejuran in Korea: how many sessions until you see results? The salmon DNA skin booster explained
Quick answer: Rejuran is a skin booster made from polynucleotides (PN) purified from salmon DNA, injected into the dermis in many small points. The standard course is 3 sessions, 2 to 4 weeks apart. The aim is gradual improvement in texture, fine lines and firmness over several weeks, and how much varies by person. Small bumps at the injection points last 1 to 3 days.
How is Rejuran different from filler?
The purpose is different. Miss this distinction and you will get a result you did not expect.
- Filler adds volume. It sits under the skin and changes shape.
- Radiofrequency devices like Thermage, and lasers, use heat to tighten tissue.
- Skin boosters like Rejuran are spread widely in tiny points to change the quality of the skin itself.
The main ingredient is PN extracted from purified salmon DNA. Why salmon? DNA taken from salmon milt can be purified to a high degree, and after purification immune reactions have rarely been reported. Once it settles in the dermis, it supplies material for the repair work your skin was already doing. It does not work by filling a gap. It works by helping your own skin recover.
What does Rejuran actually improve?
The quality of the skin, not the shape of the face.
- Rough, thinning texture
- Fine lines, especially under the eyes
- Skin that has lost its bounce
- Dull, tired-looking skin
Under-eye is the most requested area, and also where technique matters most. The skin there is thin. Inject too shallow and it shows through; inject carelessly and it bruises. So check who is holding the syringe. At Repic, the doctor does it personally.
How long do Rejuran bumps last?
After numbing cream, the injections go in shallow and fast, and the small bumps at each point last 1 to 3 days.
- Numbing cream goes on first. If you are sensitive to pain, you can choose the sedation (sleep) option.
- The injecting itself is quick. Most people describe it as stinging or pressure.
- Right after, you will see a small raised bump at each point. These go down over 1 to 3 days.
- Light bruising or swelling can happen, a little more under the eyes. It is a common, temporary reaction and usually settles on its own.
Honestly, this is an injectable, so do not book it two days before a wedding or a big presentation. Give yourself a few days. If you are visiting Seoul, schedule it early in your trip rather than the day before you fly home. Without that buffer, it is better to discuss options that leave no marks, like laser toning or LDM, at the consultation. No skin booster truly has no downtime at all.
How many Rejuran sessions do I need?
The standard is 3 sessions, 2 to 4 weeks apart. Repair builds up, so one session shows you the direction and three deliver the actual result.
Change comes gradually. Not the next morning. Over several weeks, the skin settles and refines, because this treatment waits for your own tissue to respond. After the three-session course, many people maintain with one session every few months. Rather than fixing dates on a calendar, we set the interval by looking at your skin each time.
Rejuran Healer, HB or Eye Rejuran: which one should I choose?
It depends on your main concern, and we decide it at the assessment.
- Rejuran Healer: the standard PN booster. For texture and fine lines.
- Rejuran Healer HB: PN plus hyaluronic acid, so hydration and glow come through first. For dryness and dullness.
- Eye Rejuran: a 1cc formulation for the under-eye area.
There are also cases where I recommend something else. If sagging or volume loss is the real problem, that belongs to lifting or filler. We also check four things at the consultation: pregnancy or breastfeeding; infection or inflamed acne in the treatment area; blood thinners or easy bruising; and any past reaction to fish-derived ingredients. The people happiest with Rejuran came for texture. Not the ones who came expecting a lift.
How much does Rejuran cost in Gangnam?
- Rejuran Healer 2cc KRW 250,000 / 4cc KRW 450,000
- Repic Signature Rejuran Healer 2cc KRW 300,000
- Rejuran Healer HB 1cc KRW 200,000 (3 sessions KRW 530,000)
- Eye Rejuran 1cc KRW 180,000 (3 sessions KRW 480,000)
Prices are from Repic Gangnam's September 2026 price list and exclude 10% VAT, which is added at payment. The same prices apply to Korean and international patients; the tax-refund scheme for cosmetic procedures is no longer available in Korea. Pricing depends on area and dose, and you get an exact quote after assessment. The full list is on our price page.
How we do it at Repic
We assess before we inject. Mark-Vu photographs the surface for pores, pigment, redness, oil and hydration, Meta-Vu records contour and volume in 3D, and the doctor examines texture in person. From that we confirm where things have actually slipped, then choose Healer, HB or the eye formulation, and how many cc. The doctor injects personally, and afterwards we give you a home-care routine to protect the repair. A booster without sun protection and barrier care is like paying for the treatment and leaving half of it on the pavement.
Related reading
- Skin boosters explained: which one, and when?
- Juvelook vs Rejuran: collagen boosters compared
- Wedding skin treatments: what to get and when
Consultations and booking: Repic Clinic, B1 & 2F, 318 Gangnam-daero, Gangnam-gu, Seoul (Yeoksam-dong, TOWER837) · +82-2-6952-0312 · English-speaking staff on site · Book online
This is general information and does not replace a medical consultation. Results vary from person to person.
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Frequently asked questions
How many Rejuran sessions do you need?
- The standard course is 3 sessions, 2 to 4 weeks apart. Repair builds up over time, so one session only shows the direction and the result arrives once all three are done. After that, most people maintain with a single session every few months, timed to their skin, as we do at Repic Clinic in Gangnam.
How long do Rejuran bumps take to go away?
- The raised bumps at the injection points usually settle within 1 to 3 days. Light bruising or swelling can come with them, a little more under the eyes. If you have an important event, or a flight home with photos to take, book Rejuran at least a few days ahead.
Does Rejuran help with under-eye dark circles?
- As under-eye texture and fine lines improve, the tired look softens. Dark circles caused by hollowing or pigment are a different problem, though, with a different fix. At Repic Clinic in Gangnam, the doctor first works out which type you have before recommending Eye Rejuran or something else.
What is the difference between Rejuran Healer and Rejuran HB?
- Healer is the standard version containing PN only, focused on repair and texture. HB adds hyaluronic acid, so hydration and glow come through first. If dryness and dullness are your main concern, HB fits; if fine lines and rough texture bother you more, Healer is the better match.
How much is Rejuran in Korea?
- As of September 2026 at Repic Clinic in Gangnam, Rejuran Healer costs KRW 250,000 for 2cc and KRW 450,000 for 4cc. Rejuran Healer HB 1cc is KRW 200,000 and Eye Rejuran 1cc is KRW 180,000, each with a three-session option. All prices exclude VAT.
Can I wash my face and wear makeup right after Rejuran?
- On the day, do not rub the treated area and avoid harsh products. While the bumps remain, for 1 to 3 days, makeup tends not to sit well, so leave some room in your schedule. From the next day, sunscreen is a must, and keep using it consistently while the skin repairs.
Is Rejuran safe if it is made from salmon DNA?
- The PN in Rejuran is highly purified salmon DNA, and after purification immune reactions have rarely been reported. Bumps, mild swelling and occasional bruising for 1 to 3 days are the usual reactions. Any history of reacting to fish-derived ingredients is checked at the Repic Clinic consultation.




