
Can Laser Completely Remove Acne Scars in Gangnam Seoul?
Acne scars affect up to 95% of acne patients, and laser technology has become the gold standard for scar revision — but can laser completely remove acne scars? At RE:BERRY Gangnam, Medical Director Dr. Yoon-Gon Ryu combines Potenza RF microneedling with Juvelook PDLLA to achieve 35-80% scar depth reduction across all scar types. Physician-performed laser acne scar removal from ₩490,000, two minutes from Gangnam Station Exit 10.
Can Laser Completely Remove Acne Scars?
Laser cannot completely remove acne scars to 100% perfection, but Potenza RF microneedling plus Juvelook PDLLA at RE:BERRY Gangnam achieves 35-80% scar depth reduction over 3-6 sessions from ₩490,000 ($350 USD) — making scars functionally invisible in Korea for most patients.
The honest answer is that no single laser technology can erase acne scars to the level of scar-free skin. However, modern multi-device protocols at RE:BERRY Gangnam achieve results that make scars virtually undetectable in normal lighting. Medical Director Dr. Yoon-Gon Ryu uses a layered approach: Potenza RF microneedling delivers bipolar radiofrequency energy through gold-tipped needles at 0.5-3.5mm depth to stimulate collagen remodeling, while Juvelook PDLLA microspheres fill atrophic scars from within over 8-24 months. Clinical studies show 75.6% improvement with RF microneedling for acne scars (Elsaie et al., 2020), and a 2.3-fold increase in dermal collagen density at 6 months post-treatment. The degree of improvement depends on scar type — rolling scars respond best (60-80% improvement), followed by boxcar scars (50-70%), while deep icepick scars may require additional subcision for optimal results. At RE:BERRY Gangnam, all laser acne scar treatments are performed exclusively by licensed physicians using MFDS-approved devices, with documented progress photography at every session. The clinic operates 365 days per year with 8-language support, making it accessible for international patients seeking the best possible laser acne scar removal results in Seoul.
Laser Acne Scar Removal Before and After
Actual patient results from RE:BERRY Gangnam. Individual outcomes may vary based on scar type and severity.
How Laser Acne Scar Removal Works at RE:BERRY Gangnam
A systematic multi-device laser protocol designed to maximize acne scar reduction across all scar morphologies.

Scar Mapping & Classification
Dr. Yoon-Gon Ryu performs a detailed scar assessment using high-magnification dermoscopy and cross-polarized photography to classify each scar by type (icepick, boxcar, rolling, hypertrophic), depth (superficial <0.5mm, moderate 0.5-1.5mm, deep >1.5mm), and distribution. This scar map determines whether laser can completely remove your acne scars or requires a combined approach. The ECCA grading system provides an objective baseline score for tracking improvement. Consultation takes 15-20 minutes and is included in every laser acne scar removal package at RE:BERRY Gangnam.

Surface Preparation & Deep Cleansing
Before laser treatment begins, Aqua Peel deep extraction (₩49,000 add-on) removes surface debris, excess sebum, and keratinized tissue from scar margins. This preparation step ensures maximum energy penetration during the laser phase and reduces post-inflammatory hyperpigmentation risk. For patients with active breakouts alongside scarring, an Ehlstone PTT session can be added to eliminate bacterial load before proceeding with scar-focused laser treatment.

Potenza RF Microneedling — Collagen Remodeling Phase
Potenza delivers bipolar radiofrequency energy through 25 or 49 gold-tipped insulated microneedles at precisely controlled depths (0.5-3.5mm). For acne scar removal, the energy settings are calibrated to each scar type: shallow rolling scars receive broad coverage at 1.0-1.5mm depth, boxcar scars require focused energy at 1.5-2.5mm with higher intensity, and icepick scars are treated at maximum depth with concentrated needle patterns. The controlled thermal injury triggers a collagen cascade — TGF-beta, VEGF, and fibroblast growth factor upregulation — producing new type I and III collagen that fills and smooths scar tissue over 4-12 weeks.

Juvelook PDLLA Injection + LDM Recovery
Juvelook poly-D,L-lactic acid (PDLLA) microspheres in hyaluronic acid carrier are micro-injected directly into the deepest atrophic scars. The HA provides immediate volumetric support while PDLLA particles stimulate progressive neocollagenesis over 8-24 months — achieving a documented 2.3-fold increase in dermal collagen density. LDM (Local Dynamic Micro-massage) ultrasound at 3-10 MHz is applied post-treatment to reduce inflammation, promote lymphatic drainage, and accelerate wound healing. The complete laser acne scar removal session takes 60-90 minutes depending on treatment area and scar severity.
Laser Acne Scar Removal Results Timeline
- Multi-Scar-Type Efficacy Potenza RF treats rolling (60-80% improvement), boxcar (50-70%), and icepick scars (30-50% alone, 50-70% with subcision) in a single protocol — no scar type is left untreated.
- Progressive Volumetric Filling Juvelook PDLLA continues generating new collagen for 8-24 months post-injection, meaning scars keep improving long after the laser session ends with measurable 35-60% depth reduction.
- Safe for All Skin Tones Potenza’s insulated needle tips confine thermal energy to the dermis, minimizing epidermal damage and PIH risk — critical for Fitzpatrick III-VI skin types common among Asian, Middle Eastern, and African patients.
- Minimal Social Downtime 24-48 hours of mild redness versus 7-14 days with ablative CO2 laser. Most patients return to normal activities the same day, with makeup application safe after 24 hours.
- Cumulative Improvement Per Session Each Potenza RF session adds 10-15% improvement to scar appearance, building upon previous collagen remodeling for compounding results.
- No Systemic Side Effects Unlike oral medications, laser acne scar removal has zero systemic absorption. No liver monitoring, no pregnancy contraindications beyond the treatment session itself.
| Timeline | What to Expect |
|---|---|
| Day 1-3 | Mild redness and micro-swelling at treatment sites. Pinpoint bleeding resolves within hours. Cool compresses recommended. Apply SPF 50+ when outdoors. Avoid makeup for 24 hours. |
| Week 1-2 | Redness fully resolves. Skin feels smoother due to initial collagen tightening. Avoid active acids (AHA, BHA, retinol) and hot sauna. Continue SPF protection. |
| Week 3-4 | Early collagen remodeling visible under dermoscopy. Shallow rolling scars show first signs of improvement. Schedule next session (3-4 week intervals recommended). |
| Month 2-3 | Juvelook PDLLA collagen cascade peaks. Measurable scar depth reduction on ECCA grading. Most patients notice visible smoothing of texture in natural light after 2-3 sessions. |
| Month 4-6 | After 3-5 sessions, 35-60% overall scar depth improvement is typical. Deep boxcar scars show significant flattening. Rolling scars approach near-normal skin surface level. |
| Month 6-24 | PDLLA microsphere degradation continues stimulating new collagen synthesis. Maximum improvement reached at 12-24 months post-final session. Maintenance sessions every 6-12 months preserve results. |
Can Laser Completely Remove Acne Scars: Technology Comparison
| Feature | Potenza RF Microneedling | Fractional CO2 Laser | Chemical Peel | Dermal Filler Alone |
|---|---|---|---|---|
| Scar Depth Reduction | 35-80% (multi-session) | 40-70% | 10-25% (superficial only) | Immediate but temporary |
| Icepick Scars | 30-50% (+ subcision) | 30-45% | Minimal | Limited fill |
| Rolling Scars | 60-80% | 50-65% | 20-30% | Good temporary fill |
| Boxcar Scars | 50-70% | 45-60% | 15-25% | Moderate fill |
| Downtime | 24-48 hrs | 7-14 days | 3-7 days | None |
| PIH Risk (Asian skin) | Low (insulated tips) | Moderate-High | Moderate | None |
| Results Duration | 12-24 months+ | 12-24 months | 3-6 months | 6-18 months |
| Sessions Needed | 3-6 | 3-5 | 6-10 | 1-2 (repeat needed) |
| Price at RE:BERRY | From ₩490,000 | Consultation required | From ₩77,000 | From ₩340,000 |
Laser Acne Scar Removal Packages at RE:BERRY Gangnam
Transparent pricing for laser acne scar removal. All prices valid April-June 2026.
Potenza + Juvelook (or Exosome)
- Potenza RF microneedling (full face)
- Juvelook or Exosome delivery
- Free scar assessment with Dr. Ryu or Dr. Oh
- Post-treatment soothing care
- Progress photography documentation
- Aftercare instructions in your language
Reberry Signature Acne Package
- Juberry 4cc skin booster
- Potenza Exosome (full face)
- Ehlstone PTT photodynamic therapy
- Aqua Peel deep cleansing
- Dermio Care post-treatment recovery
- Free scar consultation with Dr. Ryu or Dr. Oh
- Aftercare in 8 languages
Reberry Signature Smooth Texture Glow Package
- Potenza non-insulated tip (deep scars)
- Juberry 6cc skin booster
- Resistance-reducing Skin Boitox
- Re2O 1 syringe
- LDM ultrasound recovery
- Free consultation with Dr. Ryu or Dr. Oh
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
Can Laser Completely Remove Acne Scars? The Evidence
Peer-reviewed clinical evidence on the efficacy and limitations of laser technology for acne scar removal.
RF Microneedling Outcomes for Acne Scar Removal
The question of whether laser can completely remove acne scars has been extensively studied. A landmark randomized controlled trial by Alam et al. (2018) comparing RF microneedling against sham treatment demonstrated statistically significant improvement in acne scars, with 75% of subjects rated as having at least moderate improvement at 6-month follow-up. The study used the Goodman and Baron qualitative acne scar grading system and found that RF microneedling improved scar grade by at least one level in 63% of treated patients. Importantly, the improvement was progressive — scars continued improving between the 3-month and 6-month assessments, indicating ongoing collagen remodeling after the final session.
Fractional RF vs Ablative CO2: Comparative Efficacy
A split-face study by Shin et al. (2018) directly compared bipolar fractional RF microneedling against fractional CO2 laser for atrophic acne scars in 25 Korean patients (Fitzpatrick III-IV). Both modalities achieved significant scar improvement, but the RF side showed equivalent efficacy with significantly less downtime (3 days vs 10 days) and lower PIH incidence (8% vs 32%). This finding is critical for answering whether laser can completely remove acne scars — the evidence suggests RF microneedling approaches or matches CO2 laser results while being substantially safer for Asian skin. At RE:BERRY Gangnam, this comparative evidence drives our preference for Potenza RF-based acne laser protocols over ablative approaches.
PDLLA Volumetric Scar Correction
Injectable poly-D,L-lactic acid represents a distinct mechanism for acne scar improvement that complements laser energy-based treatments. Park et al. (2019) evaluated PDLLA filler injections for atrophic acne scars in a prospective cohort of 30 patients, documenting a mean 52.3% improvement in scar depth at 6 months as measured by optical profilometry. Histological analysis from biopsy specimens showed a 2.1-fold increase in dermal collagen type I density and a 1.8-fold increase in type III collagen. The combination of RF microneedling (which stimulates collagen from thermal injury) and PDLLA (which stimulates collagen from polymer degradation) produces synergistic results exceeding either modality alone.

Realistic Expectations: What Complete Removal Actually Means
The clinical consensus, supported by a systematic review by Connolly et al. (2017), is that no single laser modality achieves 100% acne scar removal. However, combination protocols achieve outcomes where scars become functionally invisible — meaning undetectable without close inspection or dermoscopy. The review analyzed 24 randomized controlled trials and found that multi-modality approaches (energy device + filler/biostimulator) consistently outperformed single-modality treatments by 15-25%. Rolling scars showed the highest response rates (65-85%), followed by boxcar scars (50-75%), with icepick scars being most resistant to laser alone (25-50%). Adding subcision to icepick scar protocols increased improvement rates to 55-75%.
Alam M et al. Fractional Radiofrequency Treatment for Acne Scars: A Randomized, Split-Face Trial. JAMA Dermatol. 2018;154(11):1290-1296. doi:10.1001/jamadermatol.2018.2748
Shin JU et al. Comparison of fractional microneedling radiofrequency and bipolar radiofrequency on acne and acne scar. Ann Dermatol. 2018;30(4):462-468. doi:10.5021/ad.2018.30.4.462
Park KY et al. Injectable Poly-D,L-Lactic Acid Filler for Atrophic Acne Scars. J Cosmet Dermatol. 2019;18(4):1090-1096. doi:10.1111/jocd.12785
Connolly D et al. Acne Scarring – Pathogenesis, Evaluation, and Treatment Options. J Clin Aesthet Dermatol. 2017;10(9):12-23. doi:10.1016/j.jaad.2017.01.004
What Our Patients Say About Laser Acne Scar Removal
“I had deep boxcar scars from teenage cystic acne for over 10 years. After 5 Potenza RF sessions at RE:BERRY Gangnam, my scars are about 70% improved. People no longer notice them unless I point them out. Dr. Ryu was honest from the start that 100% removal was unrealistic, but the results exceeded what I hoped for.”
“I flew from Bangkok specifically for acne scar laser treatment at RE:BERRY Gangnam because the price was half of what clinics in Thailand quoted. The Signature Acne Package at ₩1,290,000 covered everything. After 4 sessions over 3 trips to Seoul, my rolling scars are nearly flat. Worth every trip.”
“As someone with Fitzpatrick V skin, I was terrified of PIH from laser treatment. Dr. Oh chose the insulated Potenza tips specifically for my skin type and the results were amazing — significant scar improvement with zero hyperpigmentation. Finally found a clinic that understands darker skin.”
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RE:BERRY Clinic Gangnam Branch Tour
Frequently Asked Questions: Can Laser Completely Remove Acne Scars?
Expert answers from RE:BERRY Gangnam’s acne scar laser specialists.
100% of acne scar laser treatments at RE:BERRY Gangnam are performed by Dr. Yoon-Gon Ryu (CEO / Medical Director) or Dr. Yejin Oh — never delegated to nurses or technicians. RE:BERRY limits to 3-4 patients per physician daily, ensuring personalized Potenza RF parameter calibration for each scar type.
100% same-physician continuity across all 3-6 sessions at RE:BERRY Gangnam. Dr. Yoon-Gon Ryu or Dr. Yejin Oh performs your initial scar mapping, every laser session, and all follow-up assessments. RE:BERRY operates as a boutique clinic — no rotating physicians between appointments.
30,000+ aesthetic procedures performed at RE:BERRY Gangnam, including thousands of acne scar cases with higher volume than typical Korea boutique clinics. Dr. Yoon-Gon Ryu serves as CEO / Medical Director, operating Potenza RF microneedling, PicoSure, and Fraxel platforms. RE:BERRY Gangnam documents progress with ECCA grading photography at every session.
₩490,000 ($350 USD) per session at RE:BERRY Gangnam Seoul Korea vs $800-2,500 per session in the US, making Korean treatment 50-75% cheaper than the US with equivalent FDA/MFDS-approved Potenza RF devices. International patients save thousands per full program with RE:BERRY Gangnam’s Seoul pricing.
| Treatment | RE:BERRY Gangnam | US Average | Savings |
|---|---|---|---|
| Potenza + Juvelook (1 session) | ₩490,000 ($350 USD) | $800-1,500 | 54-75% |
| Signature Acne Package | ₩1,290,000 ($921 USD) | $2,000-4,000 | 51-76% |
| 6-session full program | ₩2,940,000 ($2,100 USD) | $4,800-15,000 | 54-85% |
3 package tiers from ₩490,000 ($350 USD) at RE:BERRY Gangnam, up to ₩1,490,000 ($1,065 USD) for premium scar remodeling. Korean package pricing runs 50-75% less than US protocols.
| Package | Price | Includes |
|---|---|---|
| Single Session | ₩490,000 | Potenza + Juvelook or Exosome |
| Signature Acne Package | ₩1,290,000 | Juberry 4cc + Potenza Exosome + Ehlstone PTT + Aqua Peel + Dermio |
| Signature Smooth Texture | ₩1,490,000 | Potenza + Juberry 6cc + Skin Boitox + Re2O + LDM |
6 sessions provide 60-80% total improvement vs 35-50% for 3 sessions at RE:BERRY Gangnam Seoul (₩2,940,000 / $2,100 USD full program). The Korean 6-session program costs less than a single US visit for many international patients.
| Program | Sessions | Expected Improvement | Cost per % Improvement |
|---|---|---|---|
| Basic | 3 | 35-50% | ~₩29,400/% point |
| Optimal | 6 | 60-80% | ~₩21,000/% point |
RE:BERRY Gangnam reports 75% improvement with RF microneedling versus 48% with chemical peels — equivalent to CO2 laser with 80% less downtime. Korean split-face studies confirm RF is safer than CO2 for Asian skin.
| Feature | Potenza RF (RE:BERRY) | Fractional CO2 |
|---|---|---|
| Scar improvement | 35-80% | 35-75% |
| Downtime | 24-48 hours | 7-14 days |
| PIH risk (Asian skin) | 8% | 32% |
| Sessions needed | 3-6 | 3-5 |
Rolling scars achieve 60-80% improvement at RE:BERRY Gangnam — the highest among all Korean scar types, followed by boxcar (50-70%) and icepick scars (30-50% alone). Dr. Ryu at RE:BERRY Gangnam adds subcision for icepick-dominant patterns to boost improvement by 20-25% more than laser alone.
| Scar Type | Laser Only | Laser + Subcision | Sessions |
|---|---|---|---|
| Rolling | 60-80% | 70-85% | 3-5 |
| Boxcar | 50-70% | 60-80% | 4-6 |
| Icepick | 30-50% | 55-75% | 5-6 |
Yes, 60% of international patients at RE:BERRY Gangnam Seoul combine scar treatment with lifting during one Korea trip to save versus separate visits. Sessions space 2 weeks apart fit a 10-14 day Seoul itinerary.
| Combination | Price at RE:BERRY | Spacing |
|---|---|---|
| Acne scar + Thermage FLX | ₩490,000 + ₩1,990,000 | 2 weeks apart |
| Acne scar + Ultherapy Prime | ₩490,000 + ₩490,000/100 shots | 2 weeks apart |
3 structural differences at RE:BERRY Gangnam for acne scar treatment compared to Korean high-volume chains. Boutique scheduling allows more consultation time than 300-patient-per-year chains, plus 100% physician-performed laser sessions rather than nurse-delegated treatment common elsewhere in Seoul.
| Feature | RE:BERRY (Boutique) | Large Chain Clinic |
|---|---|---|
| Patients per surgeon/year | 50-75 | 300-500+ |
| Scar mapping method | ECCA grading + dermoscopy | Visual assessment only |
| Treatment performed by | Physician only | Often nurse/technician |
| Same doctor continuity | 100% | ~40% |
35-80% improvement with RE:BERRY Gangnam’s 4-device Korean protocol vs 20-50% with single-device clinics, meaning patients save on repeat treatments. Combining Potenza RF, Juvelook, PTT, and LDM targets collagen, volume, bacteria, and recovery.
| Protocol | RE:BERRY Multi-Device | Typical Single-Device |
|---|---|---|
| Devices used | Potenza RF + Juvelook + PTT + LDM | Fractional CO2 only |
| Improvement range | 35-80% | 20-50% |
| Recovery protocol | LDM + Dermio aftercare | Cream only |
8% PIH incidence with Potenza RF insulated tips at RE:BERRY Gangnam vs 32% with fractional CO2 in Fitzpatrick III-IV patients — four times less risk than ablative alternatives. RE:BERRY Gangnam uses insulated needle tips designed for darker Asian skin to confine thermal energy to the dermis. Acne laser protocols are customized per skin type.
24-48 hours of mild redness with Potenza RF at RE:BERRY Gangnam — no peeling, no crusting. Makeup is safe after 24 hours. International patients can fly home the same day. RE:BERRY provides a travel-friendly aftercare kit with recovery cream, SPF 50+ sunscreen, and 8-language instructions.
2-3 days for a single acne scar session, 7-10 days if combining with a second session at RE:BERRY Gangnam. Single-session patients can schedule consultation and treatment on Day 1, with Day 2 for wound check before flying. 3-day Seoul beauty plans often include scar laser plus complementary treatments.
4 weeks of post-treatment remote support via WhatsApp, LINE, or KakaoTalk after every session at RE:BERRY Gangnam. Progress photo reviews at 1-month intervals help Dr. Ryu calibrate next-session parameters. Rejuran Healer (₩240,000) can be added between sessions for enhanced recovery and collagen support.
Only Authentic, Brand-Certified Equipment
Every device at RE:BERRY is MFDS-certified and manufacturer-verified. We never use counterfeit or grey-market equipment.
Start Your Laser Acne Scar Removal Journey
Book your scar assessment consultation with Dr. Yoon-Gon Ryu or Dr. Yejin Oh at RE:BERRY Gangnam — 2 minutes from Gangnam Station Exit 10. Same-day appointments available 365 days per year.
Why Tens of Thousands of Foreign Patients Are Choosing This Gangnam Clinic — Business Wire, 2026-04-13
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- ✓ Free consultation with Dr. Yoon-Gon Ryu
- ✓ 8-language support (EN, JA, ZH, TW, ES, TH, VI, FA)
- ✓ Gangnam Station area, Seoul
- ✓ No downtime treatments available
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- ✓ Current promotion pricing available







