“This post is not written by a marketing agency, but personally composed by the Chief Director of Lucenne Clinic, reflecting real concerns from the consultation room.”


When Your Pillow Marks Won’t Fade: How 5th-Generation Skin Boosters Re2O and CellREDM Restore Your Skin’s ‘Spring’
10 AM in the Consultation Room: The Most Honest Concern
“Doctor, when I wake up, the pillow marks on my face don’t disappear until lunchtime. They used to vanish immediately after washing my face…”
This confession came from a patient in her mid-40s. Around her eyes, I could already see the tiny capillaries showing through her thinning skin. When I gently pressed on her cheek, the tissue rebounded noticeably slower than it should.
This isn’t simple “dryness.” It’s a signal that the structural framework beneath your skin is collapsing.
Why Is Your Skin Losing Its ‘Resilience’?
Skin is not mere wrapping paper. Beneath the epidermis, in the invisible dermis, there exists a three-dimensional mesh network composed of collagen pillars, elastin springs, and ground substance filling the spaces between them.
We call this structure the ECM (Extracellular Matrix).
In your 20s, this ECM is dense and robust. It bounces back when pressed and holds moisture tightly. But after your 30s, fibroblasts—the “construction workers”—slow down their activity. New collagen production declines, and existing structures gradually break down due to MMPs (Matrix Metalloproteinases), degrading enzymes.
The result? Your skin transforms from a rubber band into stretched-out taffy.

“I’ve Had Rejuran 10 Times, But Now It Doesn’t Work…”
One of the most common questions in my consultation room is this:
“Doctor, Rejuran doesn’t seem effective anymore. It was great at first…”
Rejuran (PN, Polynucleotide) is undoubtedly an excellent skin booster. However, understanding its mechanism of action provides the answer to this concern.
Rejuran is a substance that sends a “work harder!” signal to cells. It stimulates adenosine receptors, encouraging fibroblasts to produce collagen. The problem is that aging cells don’t respond to encouragement.
To use an analogy: Rejuran is a “start production” command. But if the factory machinery (cells) is already worn out and raw materials (amino acids, etc.) are scarce, no amount of commanding will produce the final product (collagen).
So what should we do?
Instead of sending commands, deliver the finished product by the truckload.
5th-Generation ECM Boosters: A New Paradigm of Directly Supplying Skin’s ‘Framework’
In 2026, the hottest keyword in dermatology is hADM (Human Acellular Dermal Matrix).
This is dermal tissue donated from human cadavers, with all cells and DNA that could trigger immune reactions completely removed, leaving only the pure protein framework of collagen and elastin.
Simply put, we’re directly injecting the ‘bricks and mortar’ your skin should be producing, using human-derived materials.
This technology gave birth to Re2O and CellREDM.
Re2O vs CellREDM: Similar Yet Different—How to Choose?
Many patients ask: “Aren’t they both hADM? What’s the difference?”
The answer lies in particle size and clinical focus.
| Comparison | Re2O | CellREDM |
|---|---|---|
| Manufacturer | L&C Bio | HansBiomed |
| Particle Size | 100µm | 75µm (25% finer) |
| Pain Level | Moderate (less than Rejuran) | Low (least painful) |
| Clinical Target | Lines and lifting | Surface density |
| Optimal Areas | Deep wrinkles, nasolabial folds, jawline | Eye area, forehead, thin skin |
| Pore Reduction | ~17% decrease | ~26.9% decrease |
| Density Improvement | 11.3% increase | Superior overall texture |
| Price Range | ~$300-450/5cc | ~$600-700/package |

Why Lucenne Clinic Chose Re2O and CellREDM
Lucenne Clinic doesn’t simply follow trends. Our core philosophy is ‘Multi-Core Layering’—precisely analyzing the five layers of skin and providing the most ideal treatment for each layer.
And the most physiologically sound and safe method to reconstruct the collapsed dermis is precisely hADM-based ECM boosters.
Lucenne’s Exclusive Treatment Protocol
- AI Diagnostics + Ultrasound Analysis: Pre-procedure precise measurement of skin thickness and dermal condition
- Area-Specific Customization: Re2O for lifting power in jawline and cheek hollows; CellREDM for texture improvement in eye area and forehead
- Accurate Depth Injection: Ultrasound-guided precise injection into deep dermis, eliminating nodule risk
- Painless Comfort Protocol: Cannula technique and pH 7.2 buffer dramatically reduce pain
- Recovery Management: Post-procedure cryo calming + LDM treatment instantly alleviates bruising and swelling
Real Q&A from the Consultation Room
Q1. “You’re injecting someone else’s skin (cadaver)? Won’t there be rejection?”
A. Half correct, half not. Precisely, it’s donated human tissue with all cells and DNA that could trigger immune rejection completely removed—leaving only pure protein framework.
Only tissues passing strict AATB (American Association of Tissue Banks) and FDA guidelines are used. The core decellularization process completely removes antigens.
In fact, it matches your body’s components by over 99%, making it far more biocompatible than porcine dermis (xenograft) or synthetic materials. It’s one of the safest medical materials, used for decades in burn victim skin grafts and artificial joint surgeries.
Q2. “Rejuran was so painful I’m traumatized. Is Re2O really less painful?”
A. Yes, definitely less painful. This isn’t marketing—it’s physics.
Pain Analysis:
- Rejuran: Large particles, high viscosity create high injection pressure; pH differs from skin, chemically irritating nerves
- Re2O/CellREDM: Nearly identical pH 7.2 to body fluids, minimal chemical irritation. Finely milled powder diluted in saline = low viscosity, drastically lower injection pressure
Pain Comparison (out of 10):
- Rejuran: 9/10
- Re2O: 5-6/10
- CellREDM: 3-4/10
CellREDM’s 75µm particles make it exceptionally gentle. Combined with Lucenne’s cannula technique + comfort protocol, comfortable treatment without sleep anesthesia is entirely feasible.
Q3. “I read the powder clumps into lumps under the skin…”
A. This is an ‘operator-dependent’ phenomenon when injection depth is incorrect or excessive volume in one spot. But most naturally resolve.
Cause: ECM boosters are powder suspended in liquid. Injecting too superficially (epidermis) or excessive volume in thin areas (eyelids) can cause clumping.
Lucenne’s Solution:
- Ultrasound-Guided Design: Pre-procedure ultrasound precisely measures dermal thickness, ensuring proper depth for even distribution
- Area-Specific Selection: Fine CellREDM for thin eyelids; Re2O for cheek volume support
- Natural Degradation: Even if nodules form, hADM is biodegradable—naturally broken down by body enzymes over time. Permanent granulomas are extremely rare.
Lucenne Strongly Recommends If You Are:
✅ “My skin is paper-thin and sensitive”
→ Instantly adds thickness to fragile skin, fortifying it (CellREDM recommended)
✅ “I need facial mist by afternoon”
→ Reconstructs collapsed dermal hydration reservoir, dramatically extending moisture retention
✅ “Rejuran works, but the pain stops me from going back”
→ Best alternative for pain-phobic patients
✅ “I have a wedding/photoshoot next month”
→ Minimal bruising/swelling, rapid onset (1-2 weeks)—ideal before important events
Closing: An Obsessive Gaze Toward the Invisible
Every day in my consultation room, I contemplate:
“Which layer of this patient’s skin has collapsed?”
“What ingredient, at what depth, in what amount is safest and most effective?”
Lucenne Clinic adopted Re2O and CellREDM not because they’re “new”—but because within our ‘Multi-Core Layering’ philosophy of analyzing and managing five skin layers, hADM is the most ideal, physiologically sound ‘construction material’ to reconstruct the collapsed dermis.
We first examine your skin’s blueprint with AI diagnostics and ultrasound. Then we select the ECM booster with the optimal particle size for your skin depth and condition, filling in the ‘real skin’ at the safest, most effective depth.
This is Lucenne’s promise: ‘Evidence-Based Beauty.’
Lucenne Clinic
📍 Exit 3, Sinnonhyeon Station
💎 Premium Dermatology Clinic in Gangnam/Sinnonhyeon

