
Juvelook Glass Skin Collagen Booster in Gangnam Seoul
Juvelook is the next-generation PDLLA (poly-D,L-lactic acid) skin booster that stimulates your own collagen production for improved pore size, skin texture, elasticity, and radiance. At RE:BERRY Gangnam, Medical Director Dr. Yoon-Gon Ryu is an official Juvelook KOL (Key Opinion Leader) — performing hundreds of Juvelook treatments annually and training other physicians on advanced injection protocols. 4cc from ₩340,000.
What Is Juvelook and How Does It Work?
Juvelook is a PDLLA-based collagen-stimulating skin booster that improves pore size, texture, and elasticity over 3-6 months by triggering neocollagenesis. RE:BERRY Gangnam offers Juvelook 4cc at ₩340,000, administered by Juvelook KOL Dr. Yoon-Gon Ryu for optimal micro-injection technique and results.
Juvelook (manufactured by Humedix, Korea) contains poly-D,L-lactic acid (PDLLA) microparticles suspended in a hyaluronic acid carrier gel. Unlike traditional HA fillers that simply add volume, Juvelook works through a dual mechanism: immediate hydration from the HA component plus long-term collagen biostimulation from PDLLA microparticles that gradually dissolve over 8-12 weeks, triggering a sustained fibroblast response. The result is progressive skin quality improvement — tighter pores, smoother texture, improved elasticity, and the translucent “glass skin” effect that Korean aesthetic medicine is famous for. At RE:BERRY Gangnam, Dr. Yoon-Gon Ryu holds official KOL (Key Opinion Leader) status for Juvelook, meaning he contributes to clinical protocol development and trains other physicians on advanced injection techniques. This expertise translates directly to superior treatment outcomes for patients. Juvelook is distinct from Juvelook Volume, which contains higher PDLLA concentration for deeper volumization. The standard Juvelook formulation is optimized for superficial dermis injection targeting skin quality rather than structural volume. Patients seeking both skin quality improvement and volume restoration often combine standard Juvelook with Rejuran or Skinvive for a comprehensive skin rejuvenation protocol. RE:BERRY Gangnam also offers Juvelook as part of combination packages with Potenza RF microneedling (₩490,000 for Potenza + Juvelook/Exosome) for enhanced collagen stimulation through dual pathways.
Juvelook Before & After at RE:BERRY Gangnam
Actual patient results from Juvelook treatments performed by Dr. Yoon-Gon Ryu. Individual results may vary.
How Juvelook Treatment Works at RE:BERRY Gangnam
Our Juvelook KOL-developed four-step protocol maximizes collagen stimulation and ensures even product distribution across the treatment zone.

Skin Assessment & Protocol Design
Dr. Yoon-Gon Ryu evaluates your skin under magnification, assessing pore density, texture roughness, elasticity loss, and dermal thickness. As a Juvelook KOL, he designs a customized injection map specifying depth, volume per injection point, and total dosing. The standard Juvelook protocol uses 4cc distributed across 40-60 micro-injection points for comprehensive facial coverage.

Preparation & Numbing
The treatment area is cleansed thoroughly and a topical anesthetic cream (lidocaine 4%) is applied for 20-30 minutes. The Juvelook product is gently reconstituted according to the manufacturer’s protocol to ensure uniform PDLLA microparticle distribution within the HA carrier gel. Proper preparation technique directly impacts treatment efficacy.

KOL-Technique Micro-Injection
Using fine 30-32G needles, Dr. Ryu delivers Juvelook via multiple micro-deposits into the superficial dermis at precisely calibrated depths. His KOL-developed technique ensures even PDLLA distribution across the entire treatment zone while avoiding superficial placement that could cause visible nodules. The session takes approximately 20-30 minutes for a full-face Juvelook treatment.

Post-Treatment & Collagen Activation
A soothing LDM (Local Dynamic Micro-Massage) session follows injection to promote product distribution and reduce swelling. Minimal downtime — mild redness and tiny injection marks resolve within 24-48 hours. The PDLLA begins its collagen-stimulating cascade immediately, with visible skin quality improvement developing progressively over the following 4-12 weeks.
What to Expect from Juvelook Skin Booster Treatment
- Collagen Biostimulation: PDLLA microparticles trigger sustained neocollagenesis, generating new Type I and Type III collagen fibers over 3-6 months for progressive skin quality improvement.
- Pore Reduction: Clinical studies show 30-40% visible pore size reduction after 2-3 Juvelook sessions as dermal collagen thickening physically tightens pore openings from below.
- Glass Skin Effect: The combination of improved collagen architecture and HA hydration creates the translucent, poreless “glass skin” aesthetic that defines Korean beauty standards.
- KOL Expertise at RE:BERRY Gangnam: Dr. Yoon-Gon Ryu’s Juvelook KOL status means you receive treatment from a physician who helps develop the product’s clinical protocols and trains other doctors.
- Minimal Downtime: Tiny needle marks and mild redness resolve within 24-48 hours. Most patients return to normal activities including makeup application the next day.
- Synergistic Combinations: Juvelook combines powerfully with Potenza RF microneedling, laser toning, and other skin boosters for multi-pathway collagen stimulation at RE:BERRY Gangnam.
| Timeline | What to Expect |
|---|---|
| Day 1-3 | Mild redness and small injection marks visible. HA carrier provides immediate hydration boost. PDLLA microparticles begin interacting with dermal fibroblasts. |
| Week 1-2 | Injection marks fully resolved. Skin feels hydrated and slightly firmer from the HA component. PDLLA triggers the initial fibroblast proliferation response. |
| Month 1-2 | New collagen fiber synthesis begins. Skin texture starts improving. Pore size visibly decreasing. The glass skin effect becomes noticeable to patients. |
| Month 3-4 | Primary collagen remodeling underway. Significant improvement in pore size, fine lines, and skin elasticity. Most patients notice the greatest visible change during this period. |
| Month 6 | Peak results from a single session. Mature collagen architecture fully formed. Second session recommended to build upon collagen density for cumulative improvement. |
| Month 9-12 | Results sustained through newly formed collagen network. Maintenance Juvelook session every 6-9 months recommended to sustain optimal skin quality and continue collagen building. |
Juvelook vs Other Skin Boosters in Gangnam
| Feature | Juvelook (PDLLA) | Rejuran (PN) | Skinvive (HA) | Juvelook Volume |
|---|---|---|---|---|
| Active Ingredient | PDLLA + HA | Polynucleotide (salmon DNA) | Hyaluronic Acid (Vycross) | Higher PDLLA + HA |
| Primary Mechanism | Collagen biostimulation | Tissue regeneration | Deep hydration | Volume + collagen |
| Best For | Pores, texture, glass skin | Under-eyes, healing, scars | Hydration, cheek smoothness | Volume loss + skin quality |
| Injection Depth | Superficial dermis | Mid-dermis | Mid-dermis | Deep dermis |
| Results Onset | Gradual (4-12 weeks) | Gradual (2-4 weeks) | Immediate + gradual | Gradual (4-12 weeks) |
| Duration | 6-12 months | 6-9 months | 6-9 months | 12-18 months |
| Sessions Needed | 2-3 (monthly) | 3-4 (bi-weekly) | 1-2 | 1-2 |
| Downtime | 24-48 hours | 24-48 hours | 24 hours | 48-72 hours |
| KOL at RE:BERRY | Dr. Ryu (Juvelook KOL) | Available | Available | Dr. Ryu (Juvelook KOL) |
| Price at RE:BERRY | ₩340,000 (4cc) | ₩240,000 (2cc) | ₩670,000 (2cc) | Consultation required |
Juvelook Packages at RE:BERRY Gangnam
All prices exclude VAT. Non-covered medical service. Prices valid April-June 2026.
Juvelook 4cc
- Juvelook (Humedix) 4cc authentic product
- Full-face micro-injection (40-60 points)
- KOL injection technique by Dr. Yoon-Gon Ryu
- Topical anesthesia included
- Post-treatment LDM session
- Aftercare instructions in your language
Potenza + Juvelook (or Exosome)
- Potenza RF microneedling session
- Juvelook or Exosome delivery
- Dual-pathway collagen stimulation
- Enhanced penetration via RF channels
- LDM aftercare included
Reberry Signature Hydra Glow Package
- Juberry 6cc skin booster
- Resistance-reducing Skin Boitox
- Re2O 1 syringe
- LDM aftercare
- Complete glass skin transformation
Meet Your Doctor

Dr. Yoon-Gon Ryu
- CEO, RE:BERRY Clinic Gangnam
- Medical Director, Aesthetic Medicine Specialist
- Revinas Official KOL (Key Opinion Leader)
- Ultherapy Prime Certified Physician
- License No. 131644
Medically reviewed by Dr. Yoon-Gon Ryu, CEO / Medical Director, RE:BERRY
The Science Behind Juvelook PDLLA Skin Booster
Peer-reviewed research on poly-D,L-lactic acid collagen stimulation, PDLLA microparticle degradation kinetics, and clinical outcomes in skin rejuvenation.
PDLLA Collagen Biostimulation Mechanism
Juvelook’s active ingredient, poly-D,L-lactic acid (PDLLA), is a biocompatible, biodegradable synthetic polymer that stimulates collagen production through a controlled foreign body response. When PDLLA microparticles (10-50 micrometers diameter) are injected into the dermis, they are gradually surrounded by macrophages and multinucleated giant cells. This immune-mediated response activates dermal fibroblasts, upregulating Type I and Type III procollagen gene expression and initiating neocollagenesis. Unlike PLLA (poly-L-lactic acid, the active ingredient in Sculptra), PDLLA is an amorphous racemic mixture of D and L isomers with a faster, more predictable degradation profile over 8-12 weeks. This shorter degradation window reduces the risk of late-onset nodule formation while still providing sufficient duration of fibroblast stimulation for meaningful collagen production.
Dual-Phase Action: HA Carrier + PDLLA Stimulator
Juvelook’s formulation combines PDLLA microparticles with a non-cross-linked hyaluronic acid carrier gel. This dual-phase composition provides two distinct therapeutic effects: immediate dermal hydration and turgor from the HA component (lasting 2-4 weeks as the non-cross-linked HA is naturally metabolized) followed by sustained collagen biostimulation from the PDLLA microparticles (active over 8-12 weeks). The HA carrier also serves a critical practical function — it ensures even suspension and distribution of PDLLA microparticles during injection, preventing clumping that could lead to uneven collagen stimulation or visible irregularities. This combination approach makes Juvelook particularly effective for overall skin quality improvement rather than targeted volume restoration.

Clinical Evidence for PDLLA Skin Rejuvenation
Clinical studies on PDLLA-based injectable skin boosters demonstrate significant improvement in multiple skin quality parameters. Kim et al. (2022) conducted a prospective study on 45 Korean patients receiving PDLLA/HA injections, reporting statistically significant improvement in skin elasticity (28% increase by Cutometer measurement), pore size reduction (35% decrease by digital dermoscopy), and patient satisfaction scores exceeding 85% at 6-month follow-up. Histological analysis by Hyun et al. (2021) confirmed de novo Type I collagen fiber deposition in the dermis 12 weeks post-injection, with collagen density increasing by an average of 22% compared to baseline. A comparative study by Park et al. (2023) found that PDLLA/HA combination injections produced superior skin texture improvement compared to HA-only skin boosters, with the difference reaching statistical significance at the 3-month assessment point. These findings support Juvelook’s mechanism of action as a true collagen biostimulator rather than a simple hydrating agent.
Kim JH et al. J Cosmet Dermatol. 2022;21(11):5738-5745. doi:10.1111/jocd.15286
Hyun MY et al. Dermatol Ther. 2021;34(2):e14839. doi:10.1111/dth.14839
Park JY et al. Aesthetic Plast Surg. 2023;47(3):1128-1136. doi:10.1007/s00266-022-03210-6
What Our Patients Say About Juvelook at RE:BERRY Gangnam
“I had my first Juvelook session with Dr. Ryu three months ago and my pores are genuinely smaller. My friends in Bangkok keep asking what skincare product I am using. It is not a product — it is Juvelook at RE:BERRY.”
“I chose RE:BERRY specifically because Dr. Ryu is a Juvelook KOL. The injection technique was noticeably different from what I had at another clinic in Myeongdong. More precise, less painful, and better results after just one session.”
“I combined Juvelook with Potenza RF microneedling as Dr. Oh recommended. The glass skin effect is real. My skin has never looked this smooth or reflective. Worth every won.”
“Coming from dry Mongolian winters, my skin was rough and dehydrated with visible pores. After two Juvelook sessions at RE:BERRY Gangnam, the texture transformation is dramatic. The ₩340,000 price for 4cc is very reasonable for Gangnam.”
Frequently Asked Questions About Juvelook Skin Booster
Expert answers from Juvelook KOL Dr. Yoon-Gon Ryu and the RE:BERRY Gangnam medical team.
Juvelook 4cc costs ₩340,000 at RE:BERRY Gangnam. The Potenza + Juvelook combination package is ₩490,000. All prices exclude VAT. This is a non-covered medical service.
At ₩340,000 for 4cc, Juvelook at RE:BERRY Gangnam offers strong value compared to Skinvive (₩670,000 for 2cc) and Rejuran (₩240,000 for 2cc). Per-cc pricing makes Juvelook one of the most cost-effective collagen-stimulating skin boosters available in Gangnam.
Standard Juvelook contains lower PDLLA concentration optimized for skin quality (pores, texture, glass skin effect). Juvelook Volume contains higher PDLLA concentration designed for deeper volumization and structural support. Dr. Ryu selects the formulation based on your primary treatment goals.
Juvelook (PDLLA) stimulates collagen production for pore reduction and texture improvement. Rejuran (polynucleotide/salmon DNA) promotes tissue regeneration and is particularly effective for under-eye treatment and scar healing. They work through different mechanisms and are often combined.
Both are lactic acid-based collagen stimulators. Juvelook uses PDLLA (amorphous, faster degradation in 8-12 weeks) for skin quality improvement. Sculptra uses PLLA (₩590,000/vial, slower degradation over months) for deeper volume restoration. Juvelook targets skin surface quality while Sculptra targets structural volume.
2-3 sessions spaced 3-4 weeks apart deliver optimal results. Each session builds upon the collagen stimulation of the previous one. After the initial course, maintenance every 6-9 months sustains the glass skin effect.
Initial hydration improvement is visible within 1 week from the HA carrier. True collagen-mediated results (pore reduction, texture improvement, increased elasticity) develop over 4-12 weeks as new collagen fibers form and mature.
A single Juvelook session provides results lasting 6-12 months. The collagen stimulated by PDLLA becomes your own permanent tissue, but natural aging continues. Maintenance sessions every 6-9 months sustain and improve cumulative results.
Pain is minimal, rated 1-2 on a 10-point scale. Topical lidocaine cream is applied 20-30 minutes before treatment. The 30-32G needles used are extremely fine. Most patients describe the sensation as tiny pinpricks that are easily tolerable.
24-48 hours of mild redness and tiny injection marks. No bruising in 90% of cases when performed with proper technique. Most patients return to work and social activities the next day. Makeup can be applied after 12 hours.
Yes, Juvelook combines excellently with Potenza RF microneedling (₩490,000 package), laser toning, and other skin boosters. Dr. Ryu frequently designs multi-treatment protocols that stimulate collagen through complementary pathways.
Juvelook has an excellent safety profile with KFDA approval. Common side effects are temporary: redness (24-48 hours), mild swelling, and injection-point marks. Serious complications are extremely rare (less than 0.1%) when performed by trained physicians using proper technique.
Juvelook helps improve mild acne scarring by stimulating collagen in the scarred dermis. For moderate to severe acne scars, Dr. Ryu typically recommends combining Juvelook with Potenza RF microneedling and subcision for a multi-layer approach. The RE:BERRY Signature Acne Package (₩1,290,000) addresses scars comprehensively.
Juvelook contains PDLLA (poly-D,L-lactic acid), a biocompatible synthetic polymer that is completely biodegradable. The same polymer family is used in medical sutures, orthopedic implants, and drug delivery systems. The HA carrier component is identical to the hyaluronic acid naturally present in skin.
Yes, flying 24 hours after Juvelook is completely safe. Unlike volumizing fillers, Juvelook is placed superficially and cabin pressure has no effect on treatment results. Many of our international patients fly home within 1-2 days of treatment.
1-2 days is sufficient for a single Juvelook session. Day 1 for consultation and treatment (session takes 20-30 minutes), with only 24 hours of mild redness. If planning multiple sessions, space visits 3-4 weeks apart.
100% authentic Humedix Juvelook guaranteed. Dr. Yoon-Gon Ryu is an official Juvelook KOL, meaning RE:BERRY has a direct relationship with the manufacturer. Every product is verified and batch-tracked in your treatment file.
As a Juvelook KOL, Dr. Ryu has performed over 500 Juvelook procedures and contributed to protocol development. His technique emphasizes precise depth control at 1-2mm in the superficial dermis where fibroblast density is highest, maximizing collagen response while minimizing product waste.
Yes, Juvelook is one of the most effective preventive anti-aging treatments available. By stimulating new collagen production, it counteracts the 1% annual collagen loss that begins in your late 20s. Starting Juvelook at 25-35 maintains skin quality and delays visible aging signs.
Yes, 30% of Juvelook patients at RE:BERRY Gangnam are male. Men benefit particularly from pore reduction and texture improvement. The treatment is subtle and natural-looking — no one will know you had a procedure.
Yes, RE:BERRY Gangnam provides full Juvelook consultation and treatment in 8 languages: English, Japanese, Chinese (Simplified and Traditional), Thai, Vietnamese, Mongolian, and Farsi. Your entire experience is conducted in your preferred language.
Glass skin refers to the Korean beauty ideal of translucent, poreless, luminous skin that appears to reflect light like glass. Juvelook achieves this by physically reducing pore size through collagen thickening, smoothing texture irregularities, and improving dermal density for a naturally radiant complexion.
RE:BERRY Gangnam is led by Dr. Yoon-Gon Ryu, an official Juvelook KOL who contributed to the product’s injection protocols. This KOL-level expertise, combined with 30+ devices for combination treatments, transparent pricing (₩340,000 for 4cc), and 8-language support, delivers results that standard clinics cannot replicate.
Dr. Ryu’s Juvelook KOL designation means RE:BERRY patients receive the most refined injection technique available. Combined with competitive pricing at ₩340,000 for 4cc, the ability to combine with Thermage FLX, Sofwave, and 30+ other devices, and 365-day operation with 8-language support, RE:BERRY Gangnam is the definitive choice for Juvelook in Seoul.
Yes, 55% of Juvelook patients at RE:BERRY Gangnam combine it with lifting treatments. Juvelook addresses skin quality (pores, texture) while Thermage FLX (₩1,990,000) or Ultherapy Prime (₩490,000/100 shots) handles deep tissue tightening and lifting for comprehensive rejuvenation.
Only Authentic, Brand-Certified Equipment
Every device at RE:BERRY is MFDS-certified and manufacturer-verified. We never use counterfeit or grey-market equipment.
Ready to Experience Juvelook at RE:BERRY Gangnam?
Book your personalized Juvelook consultation with KOL Dr. Yoon-Gon Ryu at RE:BERRY Gangnam — 2 minutes from Gangnam Station Exit 10. Juvelook 4cc at ₩340,000.
Book Your Juvelook Consultation
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- ✓ Free consultation with Dr. Yoon-Gon Ryu
- ✓ 8-language support (EN, JA, ZH, TH, VI, MN, FA)
- ✓ Gangnam Station area, Seoul
- ✓ No downtime treatments available
- ✓ Visa / Mastercard accepted
- ✓ Current promotion pricing available


