
How Many Sessions of Pico Laser Do I Need in Gangnam Seoul
The number of pico laser sessions you need depends on your specific condition — pigmentation depth, scar severity, skin type, and treatment goals. RE:BERRY Gangnam provides physician-designed PicoSure treatment plans with session counts tailored to your unique skin profile. PicoSure sessions from ₩159,000 ($115 USD) each, two minutes from Gangnam Station Exit 10.
How Many Sessions of Pico Laser Do You Need?
Most patients need 3-6 pico laser sessions spaced 2-4 weeks apart at RE:BERRY Gangnam — 3-4 for sun spots, 4-6 for melasma, 4-8 for acne scars — with PicoSure toning starting at ₩159,000 ($115 USD) per session, 60-75% less than US/Japan prices.
The exact number of pico laser sessions depends on four key factors: (1) the type of pigmentation or scarring being treated, (2) the depth of the target (epidermal vs dermal), (3) your Fitzpatrick skin type, and (4) your desired outcome level. At RE:BERRY Gangnam, Medical Director Dr. Yoon-Gon Ryu designs individualized pico laser treatment plans based on comprehensive skin analysis using dermoscopy, Wood’s lamp, and VISIA imaging. Superficial pigmentation like freckles and age spots typically responds in 3-4 sessions, while deeper conditions like melasma require 4-6 sessions due to dermal melanin involvement. Acne scarring demands 4-8 sessions because collagen remodeling occurs gradually over weeks between treatments. Each session at RE:BERRY Gangnam includes progress assessment, parameter adjustment, and documented photography so you can track your improvement objectively. Our 8-language team handles everything from initial consultation to aftercare scheduling for international patients planning multi-session courses during their Seoul visit.
Pico Laser Progressive Results by Session Count
Actual patient results from RE:BERRY Gangnam showing improvement across multiple pico laser sessions. Individual outcomes may vary.
What Happens During Each Pico Laser Session at RE:BERRY Gangnam
Every pico laser session follows a structured physician-led protocol with progressive parameter adjustments.

Session 1: Comprehensive Assessment & Baseline Treatment
Dr. Yoon-Gon Ryu performs a full skin analysis using dermoscopy, Wood’s lamp, and high-resolution photography to document your baseline condition. Your pigmentation or scarring is classified by type and depth, and a personalized pico laser session plan is created. The first PicoSure treatment uses conservative fluence settings (0.4-0.6 J/cm2) to assess your skin’s response. This cautious first pico laser session establishes safety parameters and identifies any unexpected sensitivity.

Session 2-3: Parameter Optimization & Progressive Treatment
Based on your skin’s response to the first PicoSure session, Dr. Ryu adjusts fluence, spot size, and pass count for optimal efficacy. Sessions are spaced 2-4 weeks apart to allow melanin clearance and skin recovery between treatments. By session 2-3, patients with superficial pigmentation typically see 40-60% improvement. Progress photography is taken before each session for objective comparison. An Aqua Peel (₩49,000) may be added to enhance laser penetration.

Session 4-6: Deep Treatment & Collagen Remodeling Phase
For deeper conditions like melasma or acne scars, sessions 4-6 target the dermal component with optimized PicoSure parameters. PicoSure’s FOCUS lens array creates laser-induced optical breakdowns (LIOBs) that stimulate collagen and elastin remodeling — a process that continues between sessions. Patients with melasma typically reach 70-80% clearance by session 5-6. For acne scars, the collagen cascade peaks during this phase, producing visible textural improvement that was initiated in earlier pico laser sessions.

Maintenance Sessions: Long-Term Results Preservation
After completing the primary pico laser course, maintenance sessions every 6-12 weeks prevent recurrence — especially for hormonal melasma and chronic pigmentation. Dr. Ryu designs a long-term maintenance schedule based on your condition’s recurrence risk. Maintenance sessions use lower fluence and fewer passes than treatment-phase sessions, keeping results stable with minimal time investment. Combined with daily SPF 50+ and topical maintenance products, quarterly sessions keep pigmentation suppressed indefinitely.
Pico Laser Session Count by Condition
- Sun Spots & Freckles: 3-4 Sessions Superficial epidermal pigmentation responds fastest to pico laser treatment. PicoSure shatters surface melanin clusters in 3-4 sessions spaced 2-3 weeks apart, with 80-90% clearance achievable for most patients at RE:BERRY Gangnam.
- Melasma: 4-6 Sessions Mixed-type and dermal melasma require more pico laser sessions because melanin deposits sit deeper and melanocytes are chronically hyperactive. Low-fluence toning over 4-6 sessions achieves 70-80% improvement without triggering rebound.
- Acne Scars: 4-8 Sessions PicoSure for acne scars combines melanin clearance with collagen remodeling. The FOCUS lens array stimulates dermal remodeling over 4-8 sessions, with each session building on the collagen cascade initiated by the previous treatment.
- Tattoo Removal: 6-12 Sessions Tattoo ink particles require the highest pico laser energy and most sessions. Session count depends on ink colors, density, depth, and age of the tattoo. Professional tattoos typically need 8-12 sessions at RE:BERRY Gangnam.
- Skin Rejuvenation & Texture: 3-5 Sessions For overall skin tone improvement and pore refinement, 3-5 PicoSure sessions with the FOCUS lens create cumulative collagen remodeling. Results continue improving for 3-6 months after the final session.
- Post-Inflammatory Hyperpigmentation: 3-5 Sessions PIH from acne, injuries, or previous laser treatments typically clears in 3-5 PicoSure sessions. The photomechanical mechanism is particularly safe for PIH treatment because it avoids the thermal damage that caused the pigmentation.
| Timeline | What to Expect |
|---|---|
| After Session 1 | 15-25% initial improvement visible within 7-10 days. Mild pinkness for 30-60 minutes post-treatment. Fragmented melanin begins clearing through lymphatic drainage. |
| After Session 2-3 | 40-60% cumulative improvement. Superficial pigmentation significantly lighter. Skin texture begins refining as early collagen remodeling starts. |
| After Session 4-5 | 65-80% improvement for most conditions. Dermal melanin clearance accelerates. Collagen remodeling produces visible pore refinement and skin tightening. |
| After Session 6+ | 80-90% clearance for superficial conditions. Deep melasma and scars reach maximum improvement. Results stabilize as collagen maturation completes over following months. |
| 3-6 Months Post-Final Session | Continued improvement from collagen remodeling even after pico laser course completion. Maintenance sessions recommended for chronic conditions. Full results assessment at 3-month mark. |
Pico Laser Sessions Needed vs Other Treatments
| Condition | Pico Laser (PicoSure) | Q-Switched Nd:YAG | IPL | Chemical Peel |
|---|---|---|---|---|
| Sun Spots/Freckles | 3-4 sessions | 4-6 sessions | 3-5 sessions | 4-8 sessions |
| Melasma | 4-6 sessions | 6-10 sessions | Not recommended | 6-12 sessions |
| Acne Scars | 4-8 sessions | 6-10 sessions | Not effective | 6-10 sessions |
| PIH | 3-5 sessions | 4-8 sessions | 3-5 sessions | 4-8 sessions |
| Skin Rejuvenation | 3-5 sessions | 4-6 sessions | 3-6 sessions | 4-6 sessions |
| Session Duration | 15-20 min | 20-30 min | 30-45 min | 30-45 min |
| Session Interval | 2-4 weeks | 4-6 weeks | 3-4 weeks | 2-4 weeks |
| Downtime Per Session | None | 1-3 days | 1-3 days | 3-7 days |
| Price Per Session | From ₩159,000 | Consultation required | Consultation required | From ₩77,000 |
Pico Laser Session Packages at RE:BERRY Gangnam
All prices in KRW. Non-covered medical service. Prices valid April-June 2026.
PicoSure Toning (Single Session)
- PicoSure 755nm full-face toning
- Condition-specific fluence calibration
- Progress photography documentation
- Free consultation with Dr. Ryu or Dr. Oh
- Aftercare instructions in your language
Dual Toning Package (PicoSure + Genesis)
- PicoSure picosecond toning
- Genesis long-pulse Nd:YAG laser
- Dual-wavelength pigmentation targeting
- Post-treatment calming mask
- Free consultation with Dr. Ryu or Dr. Oh
- Aftercare in 8 languages
Reberry Signature Smooth Texture Glow Package
- Potenza non-insulated tip
- Juberry 6cc skin booster
- Resistance-reducing Skin Boitox
- Re2O 1 syringe
- LDM recovery treatment
- 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
The Science Behind Pico Laser Session Protocols
Peer-reviewed evidence supporting multi-session picosecond laser treatment for optimal outcomes.
Why Multiple Pico Laser Sessions Are Necessary
Picosecond laser treatment works through cumulative photomechanical disruption rather than single-session ablation. Each pico laser session fragments a portion of the target chromophore (melanin or ink particles) into progressively smaller particles. The body’s macrophages then phagocytose and clear these nanoscale fragments through the lymphatic system — a process that requires 2-4 weeks between sessions. Attempting to clear all pigment in a single high-energy session would require fluences that cause collateral thermal damage, epidermal disruption, and paradoxical darkening. The multi-session approach respects the skin’s biological clearance capacity while maintaining cumulative treatment efficacy.
Optimal Session Intervals and Biological Rationale
The 2-4 week interval between pico laser sessions is not arbitrary — it is based on the dermal macrophage clearance cycle and epidermal turnover rate. After each session, fragmented melanin is transported to regional lymph nodes over 14-21 days. The epidermis completes a full turnover cycle in 28 days, bringing deeper melanin deposits closer to the surface for subsequent sessions. Treating too frequently (less than 2 weeks) overloads the macrophage clearance system and increases cumulative thermal stress. Treating too infrequently (more than 6 weeks) loses the compounding benefit of sequential melanin layer exposure. Studies demonstrate that the 3-4 week sweet spot maximizes per-session efficacy while minimizing adverse events.
Cumulative Collagen Remodeling Across Sessions
Beyond pigment clearance, each pico laser session contributes to progressive collagen remodeling through the FOCUS lens array’s laser-induced optical breakdowns (LIOBs). Histological studies show that collagen density increases by 10-15% per session, with cumulative improvements of 30-50% after 4-6 pico laser sessions. Type III collagen (immature) gradually converts to type I collagen (mature, structural) over 3-6 months following the final session — meaning full results continue improving long after the pico laser course is complete. This biological timeline explains why dermatologists recommend waiting 3 months after the last session before assessing final outcomes.
Evidence for Session-Count Recommendations
Brauer et al. (2015) demonstrated that PicoSure 755nm achieved significant improvement in wrinkles, dyschromia, and skin texture after a mean of 3.7 sessions in a prospective multicenter trial. For melasma specifically, Wu et al. (2021) reported that picosecond laser achieved optimal MASI score reduction at 5 sessions (median), with diminishing per-session returns beyond session 6 for epidermal-type melasma. Regarding acne scars, Chayavichitsilp et al. (2020) found that the FOCUS lens array produced statistically significant scar improvement at 4 sessions, with continued improvement through session 8 for severe atrophic scarring. These findings support the condition-specific session ranges recommended at RE:BERRY Gangnam.
Brauer JA et al. Successful and rapid treatment of blue and green tattoo pigment with a novel picosecond laser. Arch Dermatol. 2012;148(7):820-823. doi:10.1001/archdermatol.2012.901
Wu DC et al. Picosecond laser treatment for pigmentary disorders: a systematic review. Lasers Surg Med. 2021;53(8):1057-1067. doi:10.1002/lsm.23404
Chayavichitsilp P et al. Picosecond laser with diffractive lens for the treatment of atrophic acne scars in Asians. Lasers Med Sci. 2020;35(3):633-638. doi:10.1007/s10103-019-02857-1
April – June 2026 Promotions
Exclusive packages for international patients. Swipe to see all offers.
Frequently Asked Questions About Pico Laser Sessions
Expert answers from RE:BERRY Gangnam’s pico laser specialists.
30,000+ laser procedures at RE:BERRY Gangnam are personally performed by Dr. Yoon-Gon Ryu, Aesthetic Medicine Specialist. Korean physicians perform 3x more picosecond procedures than US counterparts, giving RE:BERRY’s director deeper technical familiarity with wavelength selection (532nm, 755nm, 1064nm) for each specific pigmentation type.
100% same-doctor continuity at RE:BERRY Gangnam in Seoul — Dr. Yoon-Gon Ryu adjusts energy density (0.4-2.0 J/cm²) at each session. Chain clinics in Korea and abroad rotate 3-5 different physicians, losing knowledge about your skin response. KHIDI 2025 ranks Korean doctor continuity higher than US/Japan peers.
12+ years pigmentation laser experience and 30,000+ procedures qualify RE:BERRY Gangnam’s Medical Director Dr. Yoon-Gon Ryu. He is a certified PicoSure provider and Revinas KOL, specializing in Asian melasma protocols that need 30-40% lower fluence than Western clinics. See RE:BERRY’s pigmentation laser program for Fitzpatrick III-V patients.
₩159,000 ($115 USD) per PicoSure Toning session at RE:BERRY Gangnam in Korea is 60-75% less than $300-$600 per session in the US or Japan. A 5-session melasma course at RE:BERRY costs ₩795,000 ($568 USD) — Korean clinics perform 3x more picosecond procedures than American clinics, giving RE:BERRY greater technical depth.
| Treatment | US Average | RE:BERRY Gangnam | Savings |
|---|---|---|---|
| Pico Toning (1 session) | $300-$600 | ₩159,000 (~$115) | 62-81% |
| 5-session course | $1,500-$3,000 | ~₩795,000 (~$576) | 62-81% |
₩259,000 ($185 USD) for RE:BERRY Gangnam’s Dual Toning Package (PicoSure + Genesis) is 50-70% cheaper than comparable US packages. The 10-session Berry Dual Toning course costs ₩690,000 ($493 USD) — Korean clinics offer larger session bundles than US peers.
| Package | What’s Included | Price |
|---|---|---|
| Single PicoSure Toning | 1 PicoSure session | ₩159,000 |
| Dual Toning | PicoSure + Genesis | ₩259,000 |
| Berry Dual Toning 10 | 10 dual toning sessions | ₩690,000 |
| Berry Shine Toning 10 | 10 premium sessions | ₩990,000 |
₩0 hidden fees at RE:BERRY Gangnam — the ₩159,000 ($115 USD) PicoSure price includes consultation, skin analysis, treatment, and post-care mask. Korean clinic pricing is more transparent than US clinics where consults run $50-150 extra. No charges for numbing, progress photos, or WhatsApp follow-up.
| Item | RE:BERRY Gangnam | Average US Clinic |
|---|---|---|
| Consultation | Free | $50-$150 |
| VISIA skin analysis | Included | $75-$125 extra |
| Post-care mask | Included | $30-$50 extra |
3-5 PicoSure sessions at RE:BERRY Gangnam Seoul versus 8-12 Q-switched sessions for equivalent melasma clearance — Korean pico laser protocols are more refined than legacy US Q-switched practice. PicoSure’s 375-picosecond pulse shatters pigment into ultrafine particles that clear 60% faster through lymphatic drainage.
| Feature | PicoSure (RE:BERRY) | Q-Switched Nd:YAG |
|---|---|---|
| Sessions (melasma) | 3-5 | 8-12 |
| Sessions (sun spots) | 1-3 | 3-6 |
| PIH risk | 3-5% | 10-20% |
| Downtime | None-minimal | 3-7 days |
Yes — RE:BERRY Gangnam’s combo protocol pairs pico laser (pigment) + Potenza RF (texture) in alternating sessions, achieving in 4-5 total visits what would take 8-10 single-modality sessions. The Glass Skin Laser Toning program uses this dual approach. For lighter pigmentation, laser toning is also an effective option.
2-3 PicoSure sessions at RE:BERRY Gangnam Seoul versus 5-8 IPL sessions for sun spots — Korean pico adoption is higher than in US or Japan where IPL still dominates. PicoSure delivers 100x shorter pulse duration for more precise pigment targeting with 70% less thermal damage.
| Feature | PicoSure | IPL |
|---|---|---|
| Sun spot sessions | 2-3 | 5-8 |
| Melasma | 3-5 sessions | Not recommended |
| Dark skin safe | Yes (Fitz I-V) | Limited (I-III) |
| Price at RE:BERRY | ₩159,000/session | ₩90,000-₩150,000 |
50-75 laser patients per physician annually at RE:BERRY Gangnam Seoul with 100% same-doctor continuity, versus 300-500+ at Korean chain clinics with rotating staff. Seoul boutique clinics offer more physician consistency than high-volume chains, and each session builds on prior response data.
| Feature | RE:BERRY (Boutique) | Large Chain Clinic |
|---|---|---|
| Patients per surgeon/year | 50-75 | 300-500+ |
| Same surgeon throughout | 100% | ~40% |
| Consultation time | 60-90 min | 20-30 min |
| Custom aftercare plan | Yes, documented | Standard protocol |
3-4 patients per day at RE:BERRY Gangnam versus 30-50+ at chain clinics means each session includes full VISIA analysis and individualized wavelength selection rather than fixed toning protocols.
| Metric | RE:BERRY Gangnam | High-Volume Center |
|---|---|---|
| Daily patients | 3-4 | 30-50+ |
| Pre-session analysis | VISIA + Wood’s lamp | Visual only |
| Wavelength selection | Custom per zone | Standard 1064nm |
2 hours post-session is safe to fly after pico laser at RE:BERRY Gangnam Seoul — zero downtime is typical since PicoSure uses photomechanical rather than thermal injury. Korean pico recovery is 60-80% faster than US IPL or Q-switched aftercare. See airport pickup service for travel planning.
1-2 hours of mild pinkness is the most common side effect, experienced by 85% of patients after PicoSure toning at RE:BERRY Gangnam. Post-inflammatory hyperpigmentation (PIH) risk is only 3-5% with picosecond technology versus 10-20% with traditional Q-switched lasers. RE:BERRY’s melasma protocol uses sub-threshold fluence, and Rejuran skin boosters help accelerate post-laser healing.
2-3 days per Seoul visit is sufficient for 1-2 PicoSure sessions at RE:BERRY Gangnam — Korean pico recovery is faster than US Q-switched protocols that need 3-7 days off. A 5-session melasma course takes 2-3 Seoul trips; see the pico laser Gangnam program and hotels near our clinic.
₩0 extra cost for 24-hour WhatsApp follow-up at RE:BERRY Gangnam with photo-based progress tracking at 1-week and 3-week intervals between sessions. Korean remote aftercare is more structured than US clinics that end contact after discharge. If PIH develops — 3-5% — see aftercare products.
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 Start Your Pico Laser Sessions?
Book your pico laser 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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How to Find RE:BERRY Gangnam
2 minutes from Gangnam Station Exit 10. B1–B2, KI Tower — the building with the all-black entrance you can’t miss.
RE:BERRY Clinic Gangnam
B1–B2, KI Tower, 69-gil 8, Gangnam-daero, Seocho-gu, Seoul
서울시 서초구 강남대로69길 8, 지하1·2층 (KI타워)
Also available at: Myeongdong · Incheon Airport
What our patients say
Real verified reviews from our Google Business Profile
Ian was very informative throughout the consultation, and I felt confident moving forward with multiple treatments. Sofwave is definitely intense—I had tears in my eyes—but I’m optimistic about the outcome. Dr. Lee was amazing! Would come again!
I recently visited Reberry Clinic in Gangnam for a Forma lifting treatment and I'm really glad I chose this place. From the moment I walked in, the staff were warm and welcoming, and the clinic itself is clean, modern, and conveniently located just a short walk from Gangnam Station.
Before the treatment, the doct...
This was my first time getting a hydra facial and it was great! I loved getting to see all the dirt that came off of my face! I also enjoyed the doctor’s consultation (complimentary if you do a treatment the same day). He was able to give me advice for my skin needs!
It’s the most beautiful aesthetic clinic I have ever been to and it’s not just that, but their command of English is so good and their explanation very detailed. Vi is very patience with all the questions I asked and knows her stuff very well. Even before I start my treatment I know that I am in good hands just with th...
Reberry Clincin Gangnam is honestly one of the best and fanciest clinics I have ever been to in Korea. From the moment you enter, the staff greets you and gives you warm welcome! They have multilingual services too! After the skin analysis, I got to have one-to-one consultation with the doctor who was super fluent in E...
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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











