Rejuran — PECHE Clinic, Gangnam Station
A skin booster that uses PN derived from salmon DNA to stimulate the dermis's own repair and collagen production · Healer, i, and HB lines · Right by Gangnam Station Exit 4
Rejuran
Rejuran is a skin booster that injects PN (polynucleotide), purified from salmon DNA, into the dermis. PN is understood to act as a repair signal in the dermis, supporting the skin's own collagen production. Rather than topping up moisture directly, it works on the dermis's repair activity, so the changes you can expect — texture and firmness — build gradually from within. The product is approved by Korea's MFDS (Ministry of Food and Drug Safety).
▲ The ingredient spreads between the collagen fibers of the dermis and stimulates the cells in charge of repair (fibroblasts)
When to Consider It
- Your skin has grown thin and dull, and makeup is starting to sit unevenly
- Fine lines, pores, and rough texture bother you all at once
- You want focused care for fine lines around the eyes
- You want repair and hydration together
- You want to rebuild the skin's own strength after a lifting treatment
If lost volume is your main concern, a volume-building treatment may be the right fit instead. We decide together, based on your assessment results.
The Healer, i, and HB Lines
| Product | What's in it | What it mainly treats |
|---|---|---|
| Rejuran Healer | PN only · a thicker formula | Texture and firmness across the whole face |
| Rejuran i | PN · a thinner formula suited to the delicate eye area | Fine lines around the eyes |
| Rejuran HB | PN + un-cross-linked (free-form, watery) hyaluronic acid + lidocaine | Repair plus hydration · when injection pain is a concern |
Which product or combination fits you is decided together at your assessment, based on where your concerns are. Healer and i can be done on the same day.
▲ Whether the solution is watery or thick changes how it behaves in the dermis — Rejuran's PN is on the thick side
How It's Done
1. 3D skin analysis A 3D MetaVu scan examines your texture, pores, fine lines, and pigmentation under different light sources. This becomes the basis for choosing the product line and treatment areas.
2. Treatment plan Looking at the scan together, we go over the product (Healer, i, or HB), the areas, the number of sessions, and the changes to expect — including the limits.
3. Numbing cream Applied and left to absorb for 30–40 minutes.
4. Treatment The PN is injected densely across the face so it distributes evenly through the dermis. It's placed by hand, adjusted to the area and your pain sensitivity; an injector device is available as a separate option.
5. Soothing care We finish by soothing the injection sites. The small raised bumps at the injection points absorb over 2–3 days.
Results and Recovery
| Item | Details |
|---|---|
| Ingredient and action | PN (purified from salmon DNA) — understood to act as repair signals in the dermis · approved by Korea's MFDS |
| Product lines | Healer (full face) · i (eye area) · HB (repair + hydration) |
| When results show | Texture changes from weeks 2–4 → firmness and clarity become noticeable by the 2nd–3rd session |
| How long it lasts | 6 months to 1 year after the basic 3-session course |
| Sessions | 3 sessions, 4 weeks apart, as the base course → maintenance every 6–12 months after |
| Pain | A thick formula injected across the dermis — stings somewhat more than an un-cross-linked (watery) hyaluronic acid injection |
| Pain control | Numbing cream (30–40 minutes) as standard · Air Nox (inhaled calming while you remain conscious) and the injector are separate options · if pain is a real concern, we consider HB, which contains lidocaine |
| Downtime | Raised bumps at injection points for 2–3 days · swelling peaks the evening of treatment and eases the next day · needle marks for a few days · bruises, if any, fade within 1–2 weeks |
| Aftercare | Face washing the same day (2–3 hours after) · makeup from the next day · skip alcohol, strenuous exercise, and saunas for a week |
This is not a treatment that changes your skin overnight. PN's effect on collagen production builds over about 4 weeks — which is why sessions are spaced 4 weeks apart. Texture changes typically show from weeks 2–4; firmness becomes clearer from the 2nd–3rd session (individual results vary).
Expected Reactions and Possible Side Effects
Common, temporary reactions — a normal part of the response to injection; they settle on their own:
- Small raised bumps at the injection points for 2–3 days
- Swelling that peaks the evening of treatment and eases the next day
- Needle marks for a few days; bruises, if any, fading within 1–2 weeks
Anything beyond this is uncommon. If a reaction lasts longer than expected or worsens, contact us promptly and we'll check it with you.
What We Check Beforehand
If any of these apply to you, let us know during your consultation. We postpone or adjust the timing.
- Pregnancy or breastfeeding
- Inflammation or an active cold sore (herpes) in the treatment area — we proceed after it clears
- Keloid-prone skin (scars that heal raised and thickened)
- Allergy to lidocaine or other anesthetics — we adjust the numbing plan and product choice
- Aspirin, antiplatelet, or anticoagulant (blood-thinning) medication — always tell us before treatment; bruising can be heavier, and we assess together whether and how to proceed
How PECHE Clinic Does It
We treat by standards built on 90,000+ documented treatments. With Rejuran, results come down to how evenly it's placed, and at what depth. Area-by-area injection standards built from over 90,000 treatments mean every PECHE physician works to the same criteria — whoever treats you.
We plan from measurements. The 3D scan reads your texture, pores, fine lines, and pigmentation under different light sources; we look at the screen together and choose the product and areas. The plan follows what's measured, not guesswork.
▲ We look at the measurements together
Genuine Rejuran only. With injectables, authenticity is the baseline of safety. The product is opened in front of you, so you can confirm what is being prepared and in what amount.
▲ We use products certified genuine by the manufacturer
Our prep room is behind glass. You can watch treatment preparation and hygiene management through the glass wall from the waiting area.
▲ The prep room, seen through the glass from the waiting area
We only recommend what you need. We tell you upfront what this treatment improves (texture, firmness, the skin's repair environment) and what it doesn't (lost volume, deep sagging). No same-day payment pressure, no package push. You're welcome to come in just for a consultation.
Pricing
The cost of Rejuran depends on the product line (Healer, i, HB) and the number of sessions. We set the plan after your assessment and quote from there.
Location
PECHE Clinic 3F, 364 Gangnam-daero, Gangnam-gu, Seoul Right in front of Gangnam Station, Exit 4
With three sessions spaced 4 weeks apart, a convenient location makes it easier to complete the course.
FAQ
Q1. Who performs the treatment? A: PECHE physicians who all work to the same area-by-area injection standards, built from over 90,000 documented treatments. Because Rejuran results hinge on how evenly and at what depth it's placed, that placement is set by your assessment results and these standards — not by feel. The standards stay the same across physicians and sessions.
Q2. How do I know the product is genuine? A: The product is opened in front of you so you can confirm what it is and how much is prepared. The prep room is also open to view through the glass wall from the waiting area.
Q3. I have work the next day — will that be a problem? A: The raised bumps at injection points last 2–3 days, and makeup is fine from the next day. Swelling peaks the evening of treatment and settles considerably by the next day. If you have an important event, give yourself 2–3 days of margin.
Q4. How do I choose between Healer, i, and HB? A: We confirm your concern areas at your assessment and decide together. Whole-face texture and firmness point to Healer; focused eye-area care points to i; if you want repair plus hydration, or pain is a concern, we look at HB, which contains lidocaine. Healer and i can be combined on the same day.
Q5. Can I just come in for a consultation first? A: Yes. You're welcome to come in just for the assessment and consultation, then leave. Decide after you've heard your measurements, the changes to expect, and what this treatment won't solve. We won't push extra sessions or ask for same-day payment.