Cystic Acne Treatment at RE:BERRY Gangnam Seoul — Deep Nodular Clearance Protocol
Cystic acne treatment at RE:BERRY Gangnam targets the deepest and most painful form of acne — inflamed nodules and cysts originating 3-5mm beneath the skin surface where topical treatments cannot reach. Medical Director Dr. Yoon-Gon Ryu designs multi-device cystic acne treatment protocols using Potenza RF microneedling with deep-penetrating insulated needles, Ehlstone PTT photodynamic bacterial elimination, and Juvelook PDLLA collagen remodeling. Signature Acne Package ₩1,290,000, Potenza + Juvelook from ₩490,000 at our Gangnam Station clinic, open 365 days with 8-language support.
What Is Cystic Acne Treatment at RE:BERRY Gangnam?
Cystic acne treatment at RE:BERRY Gangnam uses Potenza RF microneedling at 2.5-3.5mm depth to reach deep nodular cysts, combined with Ehlstone PTT antibacterial therapy and Juvelook scar prevention, from ₩490,000 per session or ₩1,290,000 for the comprehensive Signature Acne Package in Seoul’s Gangnam district.
Cystic acne is the most severe form of acne vulgaris, classified as Pillsbury Grade III-IV, characterized by deep inflammatory nodules and pus-filled cysts that extend well below the skin surface into the mid-to-deep dermis. Standard topical treatments — benzoyl peroxide, adapalene, topical antibiotics — cannot penetrate to the depth where cystic lesions originate, which is why cystic acne treatment requires either systemic medication or deep-penetrating device-based therapy. At RE:BERRY Gangnam, our cystic acne treatment approach provides an alternative to systemic isotretinoin (Accutane) that delivers comparable efficacy without the hepatotoxicity, teratogenicity, or mood-altering side effects that concern many patients. The Potenza RF microneedling system used in our cystic acne treatment protocol employs gold-tipped insulated needles that deliver bipolar radiofrequency energy at precisely 2.5-3.5mm depth — the exact dermal layer where cystic lesions and hypertrophic sebaceous glands reside. This thermal energy coagulates the overactive sebaceous glands responsible for excess sebum production, destroys the anaerobic bacterial reservoir within cystic cavities, and triggers a controlled wound-healing cascade that prevents scar formation from resolving cysts. Combined with Ehlstone PTT for photodynamic bacterial elimination and Juvelook PDLLA microspheres for collagen remodeling, RE:BERRY Gangnam’s cystic acne treatment addresses the condition at every pathological layer simultaneously. Dr. Yoon-Gon Ryu’s cystic acne treatment protocols are tailored to each patient’s cyst depth, distribution pattern, hormonal status, and scarring risk — ensuring the most effective approach for your specific condition. Whether you have persistent deep nodules along the jawline, widespread truncal cystic acne, or treatment-resistant cysts that have failed oral antibiotics, our comprehensive acne treatment at RE:BERRY Gangnam offers a physician-performed solution with results visible within 2-4 weeks.
Cystic Acne Treatment Before and After at RE:BERRY Gangnam
Actual patient results from RE:BERRY Gangnam cystic acne treatment protocols. Individual outcomes may vary based on cyst severity, depth, and skin condition.
How Cystic Acne Treatment Works at RE:BERRY Gangnam
A systematic four-step cystic acne treatment protocol targeting deep inflammatory lesions at their source for lasting clearance.
Deep Cyst Mapping & Severity Assessment
Cystic acne treatment at RE:BERRY Gangnam begins with an in-depth diagnostic phase by Dr. Yoon-Gon Ryu. Using high-magnification dermoscopy and palpation assessment, the physician maps every active cystic lesion — documenting depth (superficial nodule vs deep cyst), inflammation grade, distribution pattern (focal jawline, diffuse facial, or truncal), and concurrent scarring. UV-fluorescence imaging reveals subclinical C. acnes colonization density in areas adjacent to visible cysts, identifying zones at risk for new cyst formation. The physician grades your cystic acne on the Pillsbury scale (typically III or IV for cystic presentations) and evaluates hormonal contributors, prior treatment failures, and isotretinoin candidacy. This 20-minute assessment determines whether you need the intensive Signature Acne Package or a targeted Potenza-focused cystic acne treatment protocol.
Pore Decompression & Surface Preparation
Before deploying RF energy for cystic acne treatment, surface-level congestion must be addressed. An Aqua Peel extraction (₩49,000 standalone or included in the Signature Package) removes impacted comedones, superficial pustules, and excess sebum from pore openings. For patients with extremely inflamed cystic lesions, the physician may administer targeted intralesional corticosteroid injection to rapidly reduce the most painful and swollen cysts before RF treatment. This pore decompression phase takes 15-20 minutes and serves a critical function: clearing the superficial obstruction allows the Potenza RF energy in the next step to penetrate more effectively to the deep cystic structures at 2.5-3.5mm depth.
Deep Potenza RF + Ehlstone PTT Protocol
The core of cystic acne treatment at RE:BERRY Gangnam deploys two synergistic technologies at maximum therapeutic depth. Potenza RF microneedling with insulated gold-tipped needles set to 2.5-3.5mm — significantly deeper than the 0.5-1.5mm used for surface acne — delivers bipolar radiofrequency energy directly into the cystic structures. At this depth, the 60-70 degree Celsius thermal zone coagulates the hypertrophic sebaceous glands feeding cyst formation, collapses the cystic cavity walls through controlled thermal contraction, destroys the anaerobic bacterial reservoir trapped within the cyst, and initiates a collagen remodeling cascade that prevents ice-pick and boxcar scar formation as cysts resolve. Following RF treatment, Ehlstone PTT photodynamic therapy targets remaining C. acnes bacteria throughout the treatment zone, generating reactive oxygen species through endogenous porphyrin activation that eliminates 45-75% of bacterial colonies per session without creating antibiotic resistance.
Collagen Rescue & Anti-Scar Recovery
Cystic acne carries the highest scarring risk of any acne subtype — approximately 95% of patients with untreated nodular or cystic acne develop permanent scarring. The final phase of cystic acne treatment at RE:BERRY Gangnam addresses this directly. Juvelook PDLLA microspheres or Exosome growth factors are infused into the micro-channels created by RF microneedling, providing immediate hyaluronic acid support for collapsing cyst walls and long-term polylactic acid-driven collagen synthesis over 8-24 months. This dual-action approach both resolves active cysts and prevents the dermal atrophy that causes ice-pick, rolling, and boxcar scars. LDM ultrasound at 3-10 MHz follows, reducing the intense post-treatment inflammation typical of deep cystic lesions and accelerating tissue repair. For Signature Package patients, Dermio Care aftercare provides additional recovery support with growth-factor-rich post-treatment care.
What to Expect from Cystic Acne Treatment at RE:BERRY Gangnam
- Deep Cyst Penetration (2.5-3.5mm): Potenza RF’s insulated gold-tipped needles reach 2.5-3.5mm depth — the exact dermal layer where cystic lesions originate. No topical treatment, chemical peel, or superficial laser can access this depth, which is why cystic acne requires device-based intervention.
- Isotretinoin Alternative: Cystic acne treatment with Potenza RF offers comparable efficacy to isotretinoin for many patients without systemic side effects. No hepatotoxicity, no teratogenicity risk, no blood monitoring requirement, and no mood alteration — making it suitable for patients who cannot or prefer not to take Accutane.
- Simultaneous Scar Prevention: The collagen induction effect of Potenza RF actively prevents the atrophic scarring that accompanies 95% of untreated cystic acne cases. Juvelook PDLLA microspheres provide additional structural support to prevent dermal collapse as cysts resolve.
- Antibiotic Resistance Impossible: Ehlstone PTT destroys C. acnes through photodynamic oxidation — a physical mechanism that cannot develop antimicrobial resistance. This is critical for cystic acne patients who have often already failed multiple courses of oral antibiotics.
- Controlled Recovery: Despite treating deep structures, cystic acne treatment downtime is limited to 48-72 hours of moderate redness and mild swelling. Deep cysts begin deflating within 3-5 days. No systemic medication, no dietary restrictions, and international patients can fly within 24-48 hours.
- All Skin Types Safe: Insulated gold-tip needle technology bypasses the melanin-rich epidermis entirely during cystic acne treatment, eliminating the risk of post-inflammatory hyperpigmentation that makes many laser treatments dangerous for Fitzpatrick III-VI skin types common in Asian, Middle Eastern, and South Asian patients.
| Timeline | What to Expect |
|---|---|
| Day 1-3 | Moderate redness, mild swelling, and tenderness at cyst sites. Active cysts begin deflating as thermal coagulation takes effect. Cool compresses recommended. Avoid makeup for first 24-48 hours. |
| Week 1-2 | Redness resolves. Deep cysts flatten significantly — palpable nodules reduce by 40-60% in volume. Surrounding skin shows reduced oiliness as sebaceous gland coagulation takes effect. |
| Week 3-4 | Most superficial nodules fully resolved. Deeper cysts continue deflating. New cyst formation significantly reduced. Second treatment session typically scheduled at this point. |
| Month 2-3 | After 2-3 treatment sessions, 70-85% reduction in active cystic lesions. Juvelook PDLLA collagen cascade reaches peak activity. Early scar prevention visible — treated areas show smoother texture than untreated cystic resolution. |
| Month 3-6 | Maximum cystic acne clearance achieved after full treatment course of 4-6 sessions. Sebum production structurally reduced. Scar formation from resolved cysts minimal compared to pharmacological-only treatment. |
| Month 6-12 | Long-term maintenance phase. Quarterly touch-up sessions recommended for patients with hormonal cystic acne patterns. Collagen remodeling from Juvelook continues improving residual texture irregularities. |
Cystic Acne Treatment Options Compared
| Feature | RE:BERRY Multi-Device Protocol | Isotretinoin (Accutane) | Oral Antibiotics | Cortisone Injections |
|---|---|---|---|---|
| Target Depth | 2.5-3.5mm (direct to cyst) | Systemic (entire body) | Systemic | Per-lesion injection |
| Cystic Acne Efficacy | High (4-6 sessions) | High (6-month course) | Moderate (often relapse) | High per lesion (temporary) |
| Scar Prevention | Yes (collagen induction) | No | No | No (can cause atrophy) |
| Systemic Side Effects | None (local only) | Hepatotoxicity, teratogenicity | Gut disruption, resistance | Skin thinning if overused |
| Antibiotic Resistance | Impossible (photodynamic) | N/A | High risk with repeated use | N/A |
| Duration of Treatment | 4-6 sessions (3-4 week intervals) | 6 months daily oral | 3-6 months daily oral | Per-cyst, repeat as needed |
| Downtime per Session | 48-72 hrs redness | None (but 6 months on drug) | None | None |
| Cost at RE:BERRY | ₩490,000-1,290,000 | ₩50-100K/month + blood tests | ₩20-50K/month | ₩30-50K per injection |
Cystic Acne Treatment Packages at RE:BERRY Gangnam
All prices valid April-June 2026. Non-covered medical service. Consultation included in all packages.
Potenza + Juvelook (or Exosome)
- Potenza RF microneedling at 2.5-3.5mm depth
- Juvelook or Exosome growth factor application
- Free consultation with Dr. Ryu or Dr. Oh
- Post-treatment soothing care
- Aftercare instructions in your language
Reberry Signature Acne Package
- Juberry 4cc skin booster
- Potenza Exosome (full face, deep setting)
- Ehlstone PTT photodynamic antibacterial therapy
- Aqua Peel deep pore decompression
- Dermio Care post-treatment recovery
- Free consultation with Dr. Ryu or Dr. Oh
- Aftercare in 8 languages
Aqua Peel (Add-On)
- Aqua Peel deep extraction of comedones
- Surface congestion removal before RF
- Enhances RF energy penetration to cysts
- No downtime
Hydrafacial (Add-On)
- Multi-step deep cleansing and exfoliation
- Vortex suction for sebaceous filament removal
- Antioxidant and peptide infusion
- Ideal maintenance between cystic acne treatment sessions
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 Cystic Acne Treatment at RE:BERRY Gangnam
Peer-reviewed evidence supporting the mechanisms and efficacy of device-based cystic acne treatment protocols.
Pathophysiology of Cystic Acne and Deep RF Targeting
Cystic acne develops when the standard acne cascade — sebaceous hyperactivity, follicular hyperkeratinization, C. acnes colonization, and immune activation — progresses to a critical threshold where the follicular wall ruptures deep in the dermis. This rupture releases a bolus of sebum, bacteria, and keratinous debris into the surrounding tissue, triggering an intense inflammatory response that forms the characteristic painful, fluctuant nodule or cyst. The depth of cystic lesions (typically 2-5mm below the skin surface) explains why topical treatments fail and why cystic acne treatment requires either systemic pharmacotherapy or deep-penetrating device-based intervention. Potenza RF microneedling with insulated needles set to 2.5-3.5mm delivers therapeutic thermal energy precisely to this pathological depth. A key study by Gold et al. (2014) demonstrated that fractional bipolar radiofrequency at 2-3mm depth achieved significant sebaceous gland thermal alteration and acne improvement in patients with moderate-to-severe inflammatory acne, including nodular and cystic subtypes.
RF Microneedling Efficacy in Severe Acne: Korean Clinical Data
Korean researchers have produced some of the strongest clinical evidence supporting RF microneedling for cystic acne treatment. Lee et al. (2013) published a prospective study of 25 Korean patients with moderate-to-severe acne (Pillsbury III-IV, including cystic cases) treated with fractional RF microneedling. After 3-4 sessions at 4-week intervals, the study documented a mean acne severity improvement of 64.7% (physician assessment) and 72.4% (patient self-assessment). Notably, the study found that patients with deeper, cystic lesions showed the most dramatic improvement when RF was applied at maximum depth settings — supporting the protocol used in our cystic acne treatment at RE:BERRY Gangnam where insulated needles are set to 2.5-3.5mm for cystic presentations.
Scar Prevention Through Simultaneous Collagen Induction
The most devastating long-term consequence of cystic acne is permanent scarring. Approximately 95% of patients with nodulocystic acne develop some degree of atrophic scarring (ice-pick, rolling, or boxcar type) due to dermal collagen destruction during the inflammatory process. The simultaneous collagen induction effect of RF microneedling during cystic acne treatment provides a unique advantage: while destroying the cystic pathology, the controlled thermal micro-injuries initiate a wound-healing cascade that deposits new type I and type III collagen in the treatment zone. Hantash et al. (2009) demonstrated that bipolar fractional radiofrequency produced significant dermal collagen remodeling visible on histology, with new collagen deposition continuing for 3-6 months post-treatment. When combined with Juvelook PDLLA microspheres at RE:BERRY Gangnam, this collagen induction is amplified further, as PDLLA provides a scaffold for organized collagen deposition that prevents the disordered scarring typical of untreated cystic resolution.
Gold MH et al. J Cosmet Laser Ther. 2014;16(6):296-302. doi:10.3109/14764172.2014.957219
Lee SJ et al. Dermatol Surg. 2013;39(7):1056-1063. doi:10.1111/dsu.12209
Hantash BM et al. Lasers Surg Med. 2009;41(2):87-95. doi:10.1002/lsm.20731
What Our Patients Say About Cystic Acne Treatment at RE:BERRY Gangnam
“I suffered from painful cystic acne on my jawline and cheeks for 8 years. Dermatologists in Sydney kept pushing Accutane but I was worried about the liver side effects. After 5 Potenza sessions at RE:BERRY Gangnam, my cysts are gone and the scarring is minimal because they treated everything simultaneously. Dr. Ryu understood my cystic pattern immediately.”
“My cystic acne was so severe that I could feel the nodules throbbing. I flew to Seoul specifically for cystic acne treatment at RE:BERRY after reading about RF microneedling. The deep needle setting actually reached my cysts — something no cream or antibiotic ever could. Three months and 4 sessions later, my skin is 90% clear.”
“After two failed courses of antibiotics and doxycycline resistance, my doctor back home said only Accutane was left. I chose RE:BERRY Gangnam instead. The Potenza RF at 3mm depth plus the PTT antibacterial treatment resolved my cysts without a single pill. The staff translated everything into Vietnamese for me and the aftercare was excellent.”
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Frequently Asked Questions About Cystic Acne Treatment
Expert answers from RE:BERRY Gangnam’s cystic acne treatment specialists.
100% of cystic acne treatments at RE:BERRY Gangnam are performed by Medical Director Dr. Yoon-Gon Ryu or Dr. Yejin Oh — never delegated to nurses or technicians. Dr. Ryu has completed over 30,000 aesthetic procedures and serves as a Key Opinion Leader for Revinas. RE:BERRY’s physician-only policy ensures each Potenza RF session is calibrated to the exact depth and energy required for deep cystic pathology.
RE:BERRY Gangnam guarantees 100% same-physician continuity across all 4-6 sessions of your cystic acne treatment course. Dr. Yoon-Gon Ryu or Dr. Yejin Oh monitors your progress, adjusts Potenza RF depth and energy each session, and documents healing milestones — unlike high-volume chains where rotating physicians see 300-500 patients per year and may not recall your treatment history.
3-step personalization at RE:BERRY Gangnam: (1) Dr. Yoon-Gon Ryu performs a diagnostic assessment including cyst depth mapping, sebaceous gland activity evaluation, and hormonal pattern analysis; (2) Potenza RF needle depth is set between 2.5-3.5mm based on tissue thickness per zone; (3) multi-device combination is selected from RF, PDT, Juvelook, and peels based on cyst severity. This protocol achieves 70-85% clearance in 4-6 sessions.
RE:BERRY Gangnam’s Signature Acne Package costs ₩1,290,000 including Potenza RF + Juvelook 4cc + Ehlstone PTT + Aqua Peel + Dermio Care, while standalone Potenza + Juvelook starts at ₩490,000 per session.
| Treatment | RE:BERRY Price | US Average | Savings |
|---|---|---|---|
| Potenza RF + Juvelook | ₩490,000 (~$370) | $800-1,500 | 50-70% |
| Signature Acne Package | ₩1,290,000 (~$970) | $2,500-4,000 | 60-75% |
| Aqua Peel add-on | ₩49,000 (~$37) | $150-250 | 75-85% |
₩490,000 (~$370 USD) per Potenza RF session at RE:BERRY Gangnam — 50-70% less than equivalent treatments in Western countries.
| Treatment | US Average | UK Average | RE:BERRY Gangnam |
|---|---|---|---|
| RF Microneedling per session | $800-1,500 | £600-1,200 | ₩490,000 (~$370) |
| 5-session course total | $4,000-7,500 | £3,000-6,000 | ₩2,450,000 (~$1,850) |
₩2,450,000 (~$1,850 USD) for a full 5-session Potenza RF course at RE:BERRY Gangnam, plus approximately $600-1,200 for round-trip flights and $50-150/night for accommodation.
| Expense | Estimated Cost |
|---|---|
| 5 Potenza RF sessions at RE:BERRY | ₩2,450,000 (~$1,850) |
| Return flights (US) | $600-1,200 |
| 7 nights hotel near Gangnam | $350-1,050 |
| Total Korea trip | $2,800-4,100 |
| Same treatment in US | $4,000-7,500 |
70-85% of RE:BERRY Gangnam’s cystic acne patients achieve clearance with Potenza RF in 4-6 sessions without systemic side effects.
| Factor | Potenza RF (RE:BERRY) | Accutane |
|---|---|---|
| Clearance rate | 70-85% | 80-90% |
| Duration | 3-5 months (4-6 sessions) | 5-7 months daily |
| Side effects | 48-72h redness only | Liver toxicity, mood changes |
| Scar prevention | Active collagen induction | No collagen effect |
RE:BERRY Gangnam’s Potenza RF reaches cystic lesions at 2.5-3.5mm depth, while LHALA Peel (₩77,000) works at only 0.1-0.3mm.
| Factor | Potenza RF | Chemical Peel |
|---|---|---|
| Depth | 2.5-3.5mm (dermal) | 0.1-0.3mm (epidermal) |
| Cyst targeting | Direct sebaceous coagulation | Surface exfoliation only |
| Sessions for cystic | 4-6 | Not effective alone |
| Price | ₩490,000 | ₩77,000 |
75% of RE:BERRY Gangnam patients combine treatments after the acute cystic phase resolves (typically sessions 2-3). Acne scar treatment with subcision targets residual atrophic scars, while Potenza RF microneedling continues collagen remodeling.
| Phase | Sessions | Focus | Treatments |
|---|---|---|---|
| Phase 1 | 1-3 | Cyst clearance | Potenza RF + Ehlstone PTT |
| Phase 2 | 3-4 | Scar prevention | RF + hormonal protocols |
| Phase 3 | 4-6 | Scar repair + texture | Subcision + Juvelook |
RE:BERRY Gangnam treats 50-75 patients per physician annually compared to 300-500+ at high-volume chains, resulting in significantly more personalized cystic acne treatment.
| Feature | RE:BERRY (Boutique) | Large Chain Clinic |
|---|---|---|
| Patients per surgeon/year | 50-75 | 300-500+ |
| Same doctor throughout | 100% | ~40% |
| Consultation time | 60-90 min | 20-30 min |
| Custom aftercare plan | Yes, documented | Standard protocol |
3 measurable differences at RE:BERRY Gangnam: physician-performed deep RF at 2.5-3.5mm by Dr. Yoon-Gon Ryu (never delegated), integrated 5-device protocol in a single session, and a 14,000 sq ft facility with 30+ devices.
| Feature | RE:BERRY (Boutique) | Large Chain Clinic |
|---|---|---|
| Price transparency | Published online | Quoted after consultation |
| Language support | 8 dedicated languages | Call center translation |
| Devices available | 30+ in 14,000 sq ft | 5-10 standard devices |
24-48 hours after deep cystic acne treatment is the recommended minimum before flying at RE:BERRY Gangnam, with most patients comfortable flying the next day. Potenza RF produces 48-72 hours of moderate redness and mild swelling — slightly longer recovery than standard acne treatment due to 2.5-3.5mm needle depth. No altitude-related contraindications exist, and the clinic provides a travel-friendly aftercare kit.
100% safe for all skin tones at RE:BERRY Gangnam. Potenza RF’s insulated gold-tip needles bypass the melanin-rich epidermis entirely, delivering energy only to the dermis at 2.5-3.5mm depth. This eliminates PIH risk that makes many laser treatments dangerous for South Asian, Southeast Asian, Middle Eastern, and African skin types. Dark skin tone treatments are a RE:BERRY specialty.
3-5 days minimum for an initial consultation plus 1-2 treatment sessions at RE:BERRY Gangnam. For the full 4-6 session course, international patients typically schedule 2 sessions per visit spaced 3-4 days apart, then return for additional sessions. RE:BERRY is open 365 days, 10 AM – 8 PM, located 2 minutes from Gangnam Station Exit 10. Seoul beauty itinerary planning is available.
RE:BERRY Gangnam provides a 5-step post-treatment protocol: physician-prescribed recovery cream for 5 days, SPF 30+ daily for 4 weeks, no retinoids or AHA/BHA for 7-10 days, WhatsApp remote photo consultations after returning home, and recommended Hydrafacial maintenance (₩250,000) between sessions for gentle deep cleansing. Follow-up assessments are documented by your treating physician.
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 Clear Your Cystic Acne for Good?
Book your cystic acne treatment consultation with Dr. Yoon-Gon Ryu or Dr. Yejin Oh at RE:BERRY Gangnam. Physician-performed deep RF protocol from ₩490,000, 2 minutes from Gangnam Station Exit 10, open 365 days.
Book Your Cystic Acne Treatment 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