
How Does Skin Whitening Laser Work in Myeongdong Seoul?
Skin whitening laser at RE:BERRY Myeongdong works by delivering precise wavelengths of light energy that shatter existing melanin deposits and suppress new melanin production in the epidermis and dermis. Our Dual Toning Package combines PicoSure 755nm picosecond laser with Genesis 1064nm Nd:YAG to achieve 2-4 shades of brightening over 5-8 sessions, starting from ₩259,000 per session at our 365-day clinic, 2 minutes from Myeongdong Station Exit 8.
How Does Skin Whitening Laser Work?
Skin whitening laser works by firing ultra-short light pulses (picosecond or nanosecond) at specific wavelengths that selectively absorb into melanin pigment, shattering it into micro-particles cleared by the body’s lymphatic system over 2-4 weeks, achieving 2-4 shades of brightening over 5-8 sessions from ₩259,000 at RE:BERRY Myeongdong.
Understanding how skin whitening laser works helps patients make informed decisions about brightening treatments. Skin whitening laser technology operates on the principle of selective photothermolysis — the concept that specific wavelengths of light are absorbed by specific chromophores (color targets) in the skin. Melanin, the pigment responsible for skin color, dark spots, and uneven tone, strongly absorbs light at 532nm, 755nm, and 1064nm wavelengths. At RE:BERRY Myeongdong, skin whitening laser protocols use two complementary wavelengths to address both superficial and deep pigmentation. PicoSure 755nm delivers energy in picosecond (trillionth of a second) pulses that create a photomechanical effect, literally shattering melanin particles into dust-sized fragments that macrophages can engulf and transport to lymph nodes for elimination. Genesis 1064nm penetrates deeper to heat melanocytes, the cells that produce melanin, temporarily suppressing their melanin synthesis pathways. This dual mechanism — destroying existing pigment while reducing new pigment production — is why skin whitening laser treatment at RE:BERRY Myeongdong delivers progressive brightening that builds with each session. Head Director Seung-Jae Baek designs personalized skin whitening laser protocols based on Fitzpatrick skin type, pigmentation depth, and desired brightening goals.
Skin Whitening Laser Before and After at RE:BERRY Myeongdong
Actual patient brightening results from skin whitening laser protocols. Individual outcomes vary depending on baseline pigmentation and number of sessions.
How Skin Whitening Laser Works Step by Step at RE:BERRY Myeongdong
A 4-step process explaining the science and clinical application of skin whitening laser technology.

Step 1: Skin Analysis and Melanin Depth Assessment
Before any skin whitening laser treatment, Dr. Seung-Jae Baek conducts a comprehensive pigmentation analysis at RE:BERRY Myeongdong. Using dermoscopy and Wood’s lamp examination, he identifies whether pigmentation is epidermal (superficial, brownish), dermal (deep, blue-gray), or mixed. This distinction is critical because skin whitening laser wavelength selection depends on pigment depth. Epidermal melanin responds best to 755nm PicoSure, while dermal melanin requires the deeper-penetrating 1064nm Genesis laser. The consultation also assesses Fitzpatrick skin type (I-VI) to calibrate energy levels that safely destroy melanin without triggering post-inflammatory hyperpigmentation. The analysis takes 15-20 minutes and is available in 8 languages.

Step 2: PicoSure 755nm — Photomechanical Melanin Destruction
The first phase of how skin whitening laser works involves the PicoSure 755nm alexandrite laser. Unlike older Q-switched nanosecond lasers that use thermal energy (heat) to break melanin, PicoSure fires in picosecond pulses (10^-12 seconds) that create a photomechanical shockwave effect called laser-induced optical breakdown (LIOB). This shockwave shatters melanin granules into nanometer-sized particles — 100 times smaller than what nanosecond lasers achieve. These micro-particles are small enough for macrophages (immune cells) to engulf and transport through the lymphatic system for natural elimination over 2-4 weeks. This is why skin whitening laser results are progressive rather than immediate — each session removes a layer of pigment that the body gradually clears. PicoSure also creates LIOB cavitation zones in the dermis that stimulate new collagen and elastin production, simultaneously improving skin texture and glow while brightening tone.

Step 3: Genesis 1064nm — Melanocyte Suppression and Deep Heating
The second phase explains how skin whitening laser targets the source of pigmentation, not just existing melanin. The Genesis 1064nm Nd:YAG laser penetrates to the dermal-epidermal junction where melanocytes reside. Operating in sub-millisecond pulse mode, it heats these pigment-producing cells to 42-45 degrees Celsius — enough to temporarily suppress tyrosinase enzyme activity (the key enzyme in melanin synthesis) without permanently destroying melanocytes. This controlled thermal modulation reduces new melanin production by 20-35% per session, creating a cumulative brightening effect over multiple treatments. The 1064nm wavelength also targets oxyhemoglobin in dilated capillaries, reducing facial redness and rosacea-like discoloration for an overall brighter, more even skin tone. At RE:BERRY Myeongdong, the skin whitening laser Dual Toning Package combines both wavelengths in a single 30-40 minute session.

Step 4: Post-Treatment Enhancement and Brightening Maintenance
After the skin whitening laser session, RE:BERRY Myeongdong applies Dermio Care LED phototherapy at 633nm wavelength for 15 minutes to calm treated skin and accelerate the melanin clearance process. For enhanced brightening results, many patients add a Glutathione injection (₩39,000 first visit) which inhibits melanin synthesis systemically by converting eumelanin (dark pigment) to pheomelanin (lighter pigment). A mineral SPF 50 sunscreen is applied as UV exposure immediately after skin whitening laser can trigger rebound hyperpigmentation. Dr. Seung-Jae Baek recommends sessions every 2-3 weeks for optimal cumulative brightening, with most patients achieving their target skin tone within 5-8 sessions of skin whitening laser at RE:BERRY Myeongdong.
What to Expect from Skin Whitening Laser at RE:BERRY Myeongdong
- Dual-Wavelength Brightening: PicoSure 755nm destroys existing melanin while Genesis 1064nm suppresses new production — addressing both cause and effect simultaneously.
- Safe for All Skin Tones: 1064nm wavelength has the lowest melanin absorption coefficient among laser wavelengths, making skin whitening laser safe for Fitzpatrick types I-VI.
- Zero Downtime Protocol: The Dual Toning Package produces only 1-2 hours of mild pinkness. Resume makeup, sightseeing, and daily activities immediately.
- Collagen Bonus Effect: PicoSure LIOB stimulates neocollagenesis, improving fine lines, pore size, and overall skin texture alongside brightening.
- Cumulative and Lasting: Each session progressively clears melanin. Results last 6-12 months with proper sun protection and 2-3 maintenance sessions per year.
| Timeline | What to Expect |
|---|---|
| Session 1 | Mild brightening visible within 1-2 weeks as fragmented melanin is cleared. Skin feels smoother from LIOB collagen stimulation. |
| Sessions 2-3 | Noticeable reduction in dark spots and overall tone evening. Friends and colleagues may comment on skin clarity. |
| Sessions 4-5 | 1-2 shade brightening achieved. Stubborn melasma patches begin responding. Skin texture and pore refinement visible. |
| Sessions 6-8 | 2-4 shade brightening for most patients. Uniform skin tone achieved. Transition to maintenance schedule (every 6-8 weeks). |
| Month 3-6 | Peak collagen remodeling from LIOB. Skin appears plumper, more luminous. Continued melanin clearance from final sessions. |
| Month 6-12 | Sustained brightening with proper sun protection. Quarterly maintenance sessions recommended to prevent melanin reaccumulation. |
Skin Whitening Laser vs Other Brightening Methods Compared
| Feature | RE:BERRY Dual Toning Laser | Topical Whitening Creams | Chemical Peels | Glutathione IV Drip |
|---|---|---|---|---|
| Mechanism | Photomechanical melanin destruction + melanocyte suppression | Tyrosinase inhibition (slow) | Acid exfoliation of melanin-laden keratinocytes | Systemic melanin conversion |
| Time to Visible Results | 2-4 weeks | 8-16 weeks | 2-4 weeks per peel | 4-8 weeks |
| Depth of Action | Epidermal + dermal | Epidermal only | Superficial epidermal | Systemic (all layers) |
| Sessions Needed | 5-8 for full course | Daily application indefinitely | 4-6 peels | 8-12 sessions |
| Downtime | 0-2 hours | None | 3-7 days peeling | None |
| Dark Spot Removal | Excellent (targeted) | Moderate (gradual) | Moderate | Minimal (systemic only) |
| Collagen Benefit | Yes (LIOB stimulation) | None | Mild | None |
| Price at RE:BERRY MD | ₩259,000/session | N/A | N/A | ₩39,000 first visit |
Skin Whitening Laser Packages at RE:BERRY Myeongdong
All prices in KRW. Non-covered medical service. April 2026 promotion pricing.
First-Visit Glutathione Injection
- Glutathione IV injection
- Systemic melanin conversion support
- One-time first-visit pricing
- Can combine with any laser session
Dual Toning Package (PicoSure + Genesis)
- PicoSure 755nm laser toning
- Genesis 1064nm laser
- Dermio Care LED calming
- Post-treatment SPF application
- 8-language consultation
One-Day PicoSure Toning (First Visit)
- PicoSure laser toning session
- Post-treatment calming care
- First-visit pricing (one-time)
- Skin analysis consultation
Re2O + Potenza Juvelook + Genesis
- Re2O 6cc skin hydration
- Potenza RF with Juvelook
- Genesis 1064nm laser
- Full aftercare package
Meet Your Doctor

Dr. Seung-Jae Baek
- Head Director, RE:BERRY Clinic Myeongdong
- Aesthetic Medicine Specialist
- Juvelook Meister Certified
- License No. 143338
Medically reviewed by Dr. Seung-Jae Baek, Head Director / Aesthetic Medicine Specialist, RE:BERRY
The Science Behind How Skin Whitening Laser Works
Peer-reviewed evidence explaining the mechanisms of laser-based skin brightening used at RE:BERRY Myeongdong.
Selective Photothermolysis and Melanin Targeting
Skin whitening laser technology is built on the principle of selective photothermolysis, first described by Anderson and Parrish. This principle states that specific wavelengths of light can be chosen to selectively heat and destroy target chromophores (such as melanin) while leaving surrounding tissue unharmed. Melanin has a broad absorption spectrum but absorbs most efficiently at shorter wavelengths (532nm, 694nm, 755nm). The 755nm alexandrite wavelength used in PicoSure provides optimal melanin absorption with sufficient penetration depth to reach dermal melanin deposits. When delivered in picosecond pulses, the energy creates a photomechanical rather than photothermal effect, shattering melanin granules into sub-cellular fragments without generating heat-induced collateral damage that causes post-inflammatory hyperpigmentation.
Anderson RR, Parrish JA. Selective photothermolysis: precise microsurgery by selective absorption of pulsed radiation. Science. 1983;220(4596):524-527. doi:10.1126/science.6836297
Picosecond vs Nanosecond Laser for Melanin Clearance
The evolution from nanosecond to picosecond pulse duration represents a significant advancement in how skin whitening laser works. Picosecond pulses (10^-12 seconds) are 1,000 times shorter than nanosecond pulses, generating a photomechanical stress wave that fragments melanin granules 10-100 times smaller than what nanosecond lasers achieve. These nanometer-sized particles are cleared more efficiently by dermal macrophages through lymphatic drainage. Clinical studies comparing 755nm picosecond versus Q-switched alexandrite lasers show picosecond devices achieve 75% melanin clearance in 3 sessions versus 5-6 sessions for nanosecond devices, with significantly lower rates of post-inflammatory hyperpigmentation.
Chalermchai T et al. A randomized controlled trial comparing Q-switched alexandrite laser and picosecond alexandrite laser for the treatment of solar lentigines. J Am Acad Dermatol. 2019;80(6):1666-1672. doi:10.1016/j.jaad.2019.01.060
1064nm Nd:YAG and Melanocyte Modulation
The 1064nm wavelength plays a complementary role in how skin whitening laser works by targeting melanocytes rather than melanin granules alone. At sub-threshold fluences delivered by Genesis-mode 1064nm lasers, gentle dermal heating to 42-45 degrees Celsius modulates tyrosinase enzyme activity within melanocytes, reducing new melanin synthesis by 20-35% without causing cellular apoptosis. This melanocyte modulation effect is temporary and dose-dependent, which is why skin whitening laser maintenance sessions are needed to sustain results. The 1064nm wavelength also has the lowest melanin absorption coefficient among commonly used laser wavelengths, making it the safest option for skin whitening laser treatment in darker skin types (Fitzpatrick IV-VI) where overstimulation of melanocytes is a risk.
Jeong SY et al. Low-fluence Q-switched Nd:YAG laser for melasma with pre/post-treatment triple combination cream. J Dermatolog Treat. 2010;21(2):76-84. doi:10.3109/09546630903159218
The combination of picosecond 755nm melanin destruction with Genesis-mode 1064nm melanocyte suppression represents the current evidence-based approach to skin whitening laser treatment. This dual mechanism addresses both existing pigmentation deposits and ongoing melanin overproduction, delivering more sustainable brightening results than either wavelength alone. At RE:BERRY Myeongdong, this combination is delivered as the Dual Toning Package.
Kim JE et al. Efficacy and safety of a dual-wavelength picosecond 755/1064 nm laser for skin rejuvenation and pigmentation. Lasers Surg Med. 2020;52(9):843-849. doi:10.1002/lsm.23230
What Patients Say About Skin Whitening Laser at RE:BERRY Myeongdong
“After 6 sessions of the Dual Toning Package, my overall skin tone brightened by what Dr. Baek measured as 3 shades on the Colorimeter scale. The dark patches on my cheeks from years of sun damage faded by 80%. Zero downtime — I went shopping in Myeongdong right after each session.”
“I tried topical whitening creams for 2 years with minimal results. The PicoSure toning at RE:BERRY Myeongdong did more in 3 sessions than 2 years of creams. Adding the Glutathione injection made a noticeable difference in overall brightness too.”
“As someone with Fitzpatrick type V skin, I was worried about hyperpigmentation. Dr. Son used conservative energy settings and the 1064nm Genesis laser primarily. After 8 sessions my melasma improved 70% with no PIH. Very happy I chose RE:BERRY Myeongdong.”
Frequently Asked Questions About How Skin Whitening Laser Works
Expert answers from RE:BERRY Myeongdong skin whitening laser specialists.
Head Director Seung-Jae Baek (License No. 143338) personally calibrates every skin whitening laser session at RE:BERRY Myeongdong, with 30,000+ total procedures performed across the clinic. He holds Juvelook Meister certification and adjusts PicoSure 755nm fluence settings based on your Fitzpatrick type during a 15-20 minute skin analysis.
100% of skin whitening laser sessions at RE:BERRY Myeongdong are performed by the same physician who conducted your initial consultation. Unlike chain clinics where rotating doctors handle 300-500+ patients per year, RE:BERRY limits to 50-75 patients per physician annually, ensuring consistent energy settings and progressive protocol adjustment across your 5-8 session treatment course.
3 essential qualifications: Aesthetic Medicine Specialist license, manufacturer-certified training on the specific laser device, and documented experience with Asian skin types (Fitzpatrick III-V). At RE:BERRY Myeongdong, Dr. Seung-Jae Baek meets all three and has performed PicoSure laser toning and dark spot laser removal on patients from 15+ countries.
RE:BERRY Myeongdong’s Dual Toning Package costs ₩259,000 per session, 60-75% less than comparable treatments abroad.
| Treatment | US Average | Japan Average | RE:BERRY Myeongdong |
|---|---|---|---|
| PicoSure Toning | $400-$600 | ¥40,000-¥60,000 | ₩159,000 (first visit) |
| Dual Toning (Pico+Genesis) | $700-$1,000 | ¥70,000-¥100,000 | ₩259,000 |
| 6-Session Course | $4,200-$6,000 | ¥420,000-¥600,000 | ₩1,554,000 |
₩1,554,000 for a 6-session Dual Toning course (₩259,000 x 6), achieving 2-4 shades of brightening at RE:BERRY Myeongdong. Adding first-visit Glutathione injection (₩39,000) brings the total to ₩1,593,000. That works out to approximately ₩265,500 per month over 6 months of treatment.
₩0 for consultation, skin analysis, and Dermio Care LED post-treatment calming at RE:BERRY Myeongdong. All-inclusive per-session pricing: Dual Toning ₩259,000 covers PicoSure + Genesis + LED + SPF application. No surprise charges.
| Item | Other Clinics | RE:BERRY Myeongdong |
|---|---|---|
| Consultation Fee | ₩30,000-₩50,000 | ₩0 (Free) |
| LED Calming | ₩30,000-₩50,000 add-on | Included |
| Sunscreen Application | ₩10,000 add-on | Included |
Skin whitening laser achieves 2-4 shade brightening in 10-16 weeks versus 0.5-1 shade from chemical peels over 6-12 months at RE:BERRY Myeongdong.
| Feature | Dual Toning Laser | Chemical Peel |
|---|---|---|
| Brightening Result | 2-4 shades | 0.5-1 shade |
| Time to Results | 2-4 weeks | 2-4 weeks per peel |
| Downtime | 0-2 hours | 3-7 days peeling |
| Depth | Epidermal + dermal | Epidermis only |
| Collagen Bonus | Yes (LIOB) | Mild |
PicoSure 755nm shatters existing melanin (photomechanical), while Genesis 1064nm suppresses new melanin production (thermal modulation) at RE:BERRY Myeongdong.
| Feature | PicoSure 755nm | Genesis 1064nm |
|---|---|---|
| Target | Existing melanin deposits | Active melanocytes |
| Mechanism | Photomechanical shattering | Thermal suppression |
| Depth | Epidermal melanin | Dermal-epidermal junction |
| Pain Level | 2/10 (rubber band snap) | 1/10 (warm air) |
| Best For | Sun spots, age spots | Melasma, overall tone |
65% of RE:BERRY Myeongdong patients combine both treatments for faster results.
| Feature | Dual Toning Laser | Glutathione IV | Combined |
|---|---|---|---|
| Mechanism | Local melanin destruction | Systemic melanin conversion | Both pathways |
| Price | ₩259,000/session | ₩39,000 first visit | ₩298,000 |
| Speed | 2-4 weeks per session | 4-8 weeks cumulative | 30-40% faster |
RE:BERRY Myeongdong operates as a boutique private clinic with physician-led protocols rather than technician-operated laser sessions.
| Feature | RE:BERRY (Boutique) | Large Chain Clinic |
|---|---|---|
| Patients per surgeon/year | 50-75 | 300-500+ |
| Same physician every session | 100% | ~40% |
| Consultation time | 60-90 min | 20-30 min |
| Energy calibration | Per-patient Fitzpatrick setting | Standard protocol |
3% or lower hyperpigmentation risk at boutique clinics versus 5-8% at high-volume centers, because RE:BERRY Myeongdong’s Head Director personally calibrates PicoSure fluence for each patient’s Fitzpatrick type.
| Factor | RE:BERRY Myeongdong | High-Volume Chain |
|---|---|---|
| PIH Risk | <3% | 5-8% |
| Device Variety | 30+ genuine devices | 3-5 devices |
| Protocol | Dual-wavelength customized | Single-wavelength template |
| Languages | 8 languages | Korean + basic English |
1064nm Genesis laser has the lowest melanin absorption coefficient among clinical wavelengths, making it safe for Fitzpatrick types I-VI at RE:BERRY Myeongdong.
| Fitzpatrick Type | Skin Tone | Recommended Wavelength | PIH Risk |
|---|---|---|---|
| I-II | Fair | 755nm + 1064nm | <1% |
| III-IV | Medium | 755nm + 1064nm (conservative) | 2-3% |
| V-VI | Dark | 1064nm primary | 3-5% |
0 hours of required downtime after the Dual Toning Package at RE:BERRY Myeongdong. Mild pinkness fades within 1-2 hours. Apply SPF 50 before sun exposure. The skin whitening laser treatment causes no peeling, bruising, or activity restrictions — cabin air dryness is the only flight concern, so moisturize during your trip home.
2-3 days per visit for 1-2 sessions, returning every 2-3 weeks for a total of 5-8 sessions at RE:BERRY Myeongdong. Many international patients schedule 2 sessions during a 5-day Seoul trip using our tourist treatment plan. Walk-in available 365 days, 10:00-20:00, 2 minutes from Myeongdong Station Exit 8. Consider combining with glass skin laser toning during your visit.
3 mandatory products for 6-12 months of sustained brightening after your RE:BERRY Myeongdong course: SPF 50+ broad-spectrum sunscreen (reapply every 2 hours outdoors), vitamin C serum (10-20% L-ascorbic acid), and gentle moisturizer. UV exposure is the primary trigger for melanin reaccumulation. Remote follow-up via WhatsApp is available for progress monitoring and maintenance scheduling.
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 Skin Whitening Laser Treatment at RE:BERRY Myeongdong
Book a free consultation with Head Director Seung-Jae Baek to understand how skin whitening laser works for your skin type. Dual Toning from ₩259,000 per session. Glutathione injection ₩39,000 first visit. 2 minutes from Myeongdong Station, open 365 days.
Book Your Skin Whitening Laser Consultation at RE:BERRY Myeongdong
Fill out the form and our multilingual team will confirm within 2 hours via your preferred contact method.
- ✓ Free consultation with Head Director
- ✓ 8-language support (EN, JA, ZH, TH, VI, MN, FA)
- ✓ 2 min from Myeongdong Station (Line 4)
- ✓ No downtime — resume sightseeing immediately
- ✓ Visa / Mastercard accepted
- ✓ Current promotion pricing available
