
2026-03-24 • Patient Resources & Tips
Hello! This is Seye Clinic, embracing all the beauty in the world, and led by a Key Doctor (KOL) and Faculty Medical Team who teach and train other medical professionals.
Recently, an increasing number of patients exhausted by the severe pain of traditional skin boosters are turning to Re2O, an advanced treatment that enhances both safety and comfort using human-derived ingredients.
Today, we will clearly explain why so many patients are switching to Re2O and highlight Seye clinic's prestigious selection as an "Official Gangnam Re2O Key Clinic" by the manufacturer, L&C Bio, after a rigorous evaluation process.
• Treatment: Re2O Skin Booster (Human-derived ECM)
• Key Benefit: Significantly lower pain compared to traditional boosters like Rejuran.
• Mechanism: Directly implants the Extracellular Matrix into the dermis for structural regeneration.
• Clinic Status: Seye clinic is a certified Official Key Clinic ensuring the exact 5cc dosage and precise injection depth.
Re2O is an advanced skin booster whose main ingredient is human-derived acellular dermal matrix (hADM). Clinical studies show that while 1st and 2nd generation skin boosters merely "stimulate" skin cells to induce collagen production, Re2O directly implants the Extracellular Matrix (ECM)—the structural framework of the skin—into the thinned dermis layer.
👉🏻Check out the price for rejuran

The most anticipated benefit among patients inquiring about Re2O treatments is the "low pain level." Dermatologists note that the physical properties of the booster significantly impact patient comfort.
Category | Re2O | Rejuran Healer |
|---|---|---|
Key Ingredient | Human-derived Extracellular Matrix (ECM) | Salmon Germ Cell Extract (PN) |
Pain Intensity | Mild stinging (Relatively very low) | Strong, tear-inducing pain |
Why It Hurts Less | Body-fluid pH & microparticles | Sticky and viscous polymer |
Because Re2O is composed of human-derived materials, its pH level is almost identical to our body fluids. Furthermore, its particles are extremely fine and soft, drastically reducing the characteristic stiffness or burning sensation felt during injection. The downtime, including embossing and swelling, is also much shorter, making it an excellent alternative for those needing quick recovery before important events.

Once injected, the ECM components in Re2O initiate a sequential process of immediate and long-term skin transformation.
Timeline | Expected Effects & Changes |
|---|---|
Within 1~2 Days (Immediate) | Microparticles fill empty spaces, creating an immediate smooth texture and subtle volume. |
4~6 Months (Long-term) | Ingredients gradually degrade, continuously stimulating fibroblasts to thicken the dermis and restore natural elasticity. |
Typically, a single session maintains skin firmness for 4 to 6 months. Repeating the treatment about 3 times at one-month intervals can help maintain a healthy skin ecosystem for over a year.
No matter how excellent a premium material is, the results vary drastically depending on "who, how, and how much" is administered.
Even in Gangnam, the hub of aesthetic medicine, only a select few clinics hold the "Key Clinic" title officially certified by the manufacturer. While a "Key Doctor" certifies an individual doctor's technique, a "Key Clinic" is a much more comprehensive, high-level certification. It guarantees not only the medical team's skill but also the clinic's hygiene, equipment standards, and, most importantly, an "honest treatment process."

• Strict 5cc Full-Dose Principle: One box of Re2O contains a large 5cc volume. We never divide or dilute this to cut costs; we generously inject the entire 5cc into a single patient's skin.
• Golden Ratio Compliance: We strictly adhere to the most effective and safe mixing ratio clinically proven by the manufacturer.
• Precise Target Layer Injection: Using EVE LAB precision diagnostics, we analyze the patient's skin thickness to inject the ECM uniformly and accurately into the exact depth of the dermis where it needs to settle.
Q: What are the side effects of Re2O?
A: Re2O is highly biocompatible, minimizing allergic reactions. Mild redness or swelling may occur at the injection site but typically resolves within a few days.
Q: Who is the best candidate for this procedure?
A: It is ideal for individuals with thin, dry skin, those who cannot tolerate the pain of traditional skin boosters, and those seeking fundamental skin barrier restoration.
Just as important as using good ingredients is the honesty and principles of the clinic administering them. We believe our selection as an Official Re2O Key Clinic is a proud recognition of Seye clinic's perseverance in providing honest, data-driven medical care.
If you have hesitated to try skin boosters due to pain, or if you are concerned about thin, dull skin, please visit Seye clinic, a verified Key Clinic.
*Medical Disclaimer: This content is for informational purposes only and does not constitute medical advice. Individual results may vary. Please consult with a qualified medical professional for personalized recommendations.
Seye Clinic
10F, 55 Seocho-daero 77-gil, Seocho-gu, Seoul
• Parking available (1h free with treatment)
Phone: +82-0507-1345-5928
Email: info@seyeclinic.com
Opening Hours: Weekdays/Evening Clinic 10:30-21:00, Weekends 10:30-19:00 (Last admission: 1 hour before closing)
Copyright © 2026 SEYE CLINIC. All Rights Reserved.
Seye Clinic
10F, 55 Seocho-daero 77-gil, Seocho-gu, Seoul
• Parking available (1h free with treatment)
Representative: Eun Sol Lee
Privacy Officer: Eun Sol Lee
Business Registration Number: 470-03-03420
Phone: +82-0507-1345-5928
Email: info@seyeclinic.com
Opening Hours: Weekdays/Evening Clinic 10:30-21:00, Weekends 10:30-19:00 (Last admission: 1 hour before closing)
Copyright © 2026 SEYE CLINIC. All Rights Reserved.