Gangnam
Dr. Yoon-Gon Ryu
Aesthetic Medicine Specialist
Flagship clinic · KOL for leading lifting & regenerative devices · Featured in Authority Magazine (2026)
Re2o is an extracellular-matrix (ECM/hADM) injectable booster delivered over about 2 to 3 sessions to rebuild dermal collagen and restore firm, dense glass-skin quality.
Re2o is an extracellular-matrix (ECM/hADM) skin booster injected into the dermis to act as a scaffold that stimulates your own fibroblasts to build fresh collagen, restoring firmness, density, and glass-skin glow over weeks. For patients near Hongdae (Hongik Univ.) Station, care is provided across our Seoul locations, easily reached from 홍대입구역, with English-speaking doctors.
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Re2o is an extracellular-matrix (ECM) skin booster made from human acellular dermal matrix (hADM), a processed, cell-free collagen scaffold derived from healthy dermis. Unlike a hyaluronic-acid filler that mainly adds temporary volume and water, Re2o is designed to remodel the skin from within: injected into the dermis, it invites your own fibroblasts to move in and produce new collagen, gradually rebuilding the support layer that thins with age.
That structural approach is why Re2o is grouped with collagen-stimulating boosters rather than simple hydrators. Patients typically notice firmer, denser, smoother skin with a healthier light-reflecting quality, developing over several weeks as the matrix integrates. Because it works with your biology, a short series is planned rather than a one-off session.
At Reberry Clinic, Re2o is consultation-led and performed by the clinic’s doctors, who first assess your skin quality and design the injection plan. International patients receive English-language support, and for those searching near Hongdae (Hongik Univ.) Station, care is provided across our Seoul locations (Gangnam, Myeongdong), easily reached from 홍대입구역.
Re2o is produced from human acellular dermal matrix, in which donor cells are removed to leave the native collagen-rich extracellular scaffold that dermis is built on. Injected into the skin, this matrix does more than fill space: it acts as a biological framework that recruits surrounding fibroblasts to infiltrate, remodel, and synthesize new type I collagen over the following weeks. In preclinical models the implanted matrix showed fibroblast infiltration and localized new collagen formation, which explains the gradual firming and densifying patients observe rather than an instant fill. Because the effect is biological, Re2o is placed in a short series so collagen can build progressively, and it is a distinct category from a poly-D,L-lactic acid (PDLLA) stimulator or a purely hydrating hyaluronic-acid booster. The clinic’s doctors select among these based on whether your main goal is structural remodeling, volume support, or glow and hydration.
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The clinic’s doctors grade your skin across 4 quality markers (firmness, evenness, texture, glow) to plan placement and dosing.
A topical anesthetic is applied for about 20 to 30 minutes so the injections stay comfortable.
The ECM matrix is injected into the dermis across the target zones in 1 session, typically taking 20 to 40 minutes.
Over the next 2 to 8 weeks your fibroblasts infiltrate the scaffold and lay down new collagen, firming and densifying the skin.
Most plans use 2 to 3 sessions spaced about 3 to 4 weeks apart, with the doctor reviewing progress and adjusting between visits.
See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.
The clinic’s doctors assess your skin quality and goals in English, then confirm your Re2o plan and how many sessions you may need.
After about 20 to 30 minutes of numbing, the injections take roughly 20 to 40 minutes depending on the treatment zones.
Re2o is planned as a short series, so the doctor maps your sessions across several weeks rather than a single fixed visit.
Collagen remodeling builds over about 2 to 8 weeks per session, with the fuller effect visible after the series is complete.
Because results depend on your own collagen, gentle skincare, sun protection, and occasional maintenance help sustain the improvement over time.
Re2o is an ECM (hADM) skin booster that stimulates your own collagen through a biological scaffold, rather than only adding volume and water like a hyaluronic-acid filler. It firms and densifies skin over weeks. You can read more on our glass facial skin page before booking.
ECM stands for extracellular matrix, and hADM for human acellular dermal matrix, a processed collagen scaffold with the donor cells removed. Injected into the dermis, it recruits your fibroblasts to build new collagen. This structural mechanism is why Re2o is a collagen-stimulating booster rather than a temporary hydrator.
Most healthy adults wanting firmer, denser, more luminous skin are suitable, especially those preferring collagen stimulation over volume-only filler. A consultation confirms your skin quality and goals. Those who are pregnant, breastfeeding, or have an active skin infection should wait, and your doctor reviews any medications first.
Discomfort is generally mild because a topical anesthetic is applied for about 20 to 30 minutes before the injections. Most patients describe brief pinpricks and pressure. Your doctor adjusts technique across zones, and the numbing keeps a typical 20 to 40 minute session comfortable for most people.
Downtime is usually minimal, with brief pinpoint marks or slight redness that typically settle within a day or two. Some patients notice small bumps that soften as the matrix integrates. You can generally return to daily activities the same day, avoiding heavy makeup, saunas, and vigorous exercise for about 24 hours.
Visible change builds gradually over about 2 to 8 weeks per session as fibroblasts remodel the scaffold and lay down new collagen, not overnight. The fuller effect appears after the planned series is complete. Your doctor reviews progress between visits so the plan stays matched to your response.
Most plans use a short series of about 2 to 3 sessions spaced roughly 3 to 4 weeks apart, since collagen builds over time. The exact number depends on your skin quality and goals. Your doctor confirms the schedule at consultation and adjusts it based on how each session settles.
Because results come from your own newly formed collagen, they can hold for many months, though skin keeps ageing, so this is not a one-time fix. Occasional maintenance sessions and good skincare help sustain the improvement. Longevity varies with age, lifestyle, and sun exposure, which your doctor discusses individually.
Yes, Re2o is often staged with hydration boosters, polynucleotide repair, or energy-based lifting for a fuller glass-skin result. Sequencing matters so the skin is not over-stressed. Your doctor may pair it with Juvelook or other boosters and space treatments appropriately across your visits.
A PDLLA booster uses poly-D,L-lactic acid particles to stimulate collagen over time, while Re2o provides a ready-made collagen scaffold that recruits fibroblasts directly. Both build collagen but through different materials, and they may be chosen based on your skin. You can explore options on our glass facial skin page.
Re2o is generally well tolerated when performed by a trained doctor, and in clinical study no serious adverse events were reported for the ECM booster category. Temporary redness, swelling, or pinpoint marks are the most common effects. A consultation screens for contraindications such as active infection or pregnancy to keep treatment appropriate for you.
The most common side effects are temporary redness, mild swelling, small bumps, or pinpoint bruising that usually settle within days. Serious reactions are uncommon. Your doctor reviews your medical history and medications beforehand to reduce risk, and provides clear aftercare so any minor effects resolve smoothly at home.
Keep the area clean, avoid heavy makeup, saunas, and vigorous exercise for about 24 hours, and use gentle skincare with daily sun protection. Because results depend on collagen, a supportive skin care routine helps sustain them. Your doctor tailors aftercare to the zones treated.
Patients searching near Hongdae (Hongik Univ.) Station are cared for at our Seoul locations, Gangnam and Myeongdong, both easily reached from 홍대입구역 with full English support. A consultation there covers your Re2o plan. You can start on our glass facial skin page to learn more.
From Hongdae (Hongik Univ.) Station, both our Gangnam and Myeongdong locations are convenient by subway, and our English-speaking team helps you choose based on your schedule. Directions and location facts are confirmed at booking. Message us on WhatsApp and we will match you to the most convenient Seoul location for Re2o.
For a single session, 2 to 3 days in Seoul is comfortable, covering a consultation, the treatment, and a short review. Because Re2o works best as a series, many international patients begin here and continue on return visits. Our English-speaking team helps coordinate timing around your travel plans.
Yes, flying within a day or so is generally fine because Re2o is a minimally invasive injectable with usually minimal downtime. Cabin air is drying, so moisturise and protect treated skin from sun. If any swelling or marks remain, your doctor advises on aftercare to follow while you travel.
International patients can complete a Re2o series across one or more visits, and the clinic offers remote check-ins in English between trips so your plan stays on track. Your treatment notes are kept on file for continuity. You can continue supportive skin care at home.
| Re2o (ECM/hADM) | PDLLA Booster | HA Skin Booster | |
|---|---|---|---|
| Mechanism | Acellular matrix scaffold recruits fibroblasts for new collagen | Poly-D,L-lactic acid particles stimulate collagen over time | Hyaluronic acid hydrates and adds glow |
| Best for | Firmness, skin density, structural remodeling | Gradual firming and collagen support | Hydration, radiance, early skin-quality boosting |
| Onset | Gradual over weeks as collagen forms | Gradual over weeks to months | Hydration is relatively quick |
| Downtime | Usually minimal, brief pinpoint marks | Usually minimal, occasional small bumps | Usually minimal, brief bumps that settle |
| Results timeline | Builds across the series | Builds across the series | Glow appears early, deepens with sessions |
| Sessions | Often a short series of 2 to 3 | Often a course of 2 to 3 | Commonly a course of 3 or more |
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Message us on WhatsApp for a free consultation in English about Re2o and a doctor-led, individualised plan at our Seoul locations near Hongdae Station.