Gangnam
Dr. Yoon-Gon Ryu
Aesthetic Medicine Specialist
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Pico laser fires pulses in trillionths of a second, shattering pigment photoacoustically with far less surrounding heat, which is why it produces roughly 5% post-inflammatory pigment versus about 30% for older lasers.
Pico laser in Gangnam, Seoul uses picosecond pulses that shatter pigment through a photoacoustic effect with minimal heat, making it well suited to melasma-prone and darker Asian skin. It treats sun spots, dullness, and some tattoos over a series of sessions. At Reberry Clinic a doctor grades your pigment first, then tailors settings.
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A pico laser is a picosecond laser that delivers energy in pulses lasting trillionths of a second, far shorter than the nanosecond pulses of older Q-switched lasers. This ultra-short pulse creates a photoacoustic (photomechanical) effect: instead of mainly heating pigment, it generates a rapid pressure wave that shatters melanin and tattoo ink into tiny particles the body then clears. Because much less heat spreads into surrounding skin, the risk of thermal side effects and rebound pigment is lower, which is a major advantage on Asian and deeper skin tones.
Clinically, pico lasers are used for pigment concerns such as sun spots, freckles, some post-inflammatory marks, melasma-prone pigment, and overall dullness, as well as for fading tattoos. Common wavelengths include 1064 nm, which penetrates deeper for darker pigment, and 755 or 532 nm for more superficial or coloured targets. On darker skin, longer wavelengths like 1064 nm are generally safer because they are less absorbed by epidermal melanin, reducing the chance of unwanted pigment changes.
At Reberry Clinic, pico laser care is doctor-led at our Gangnam (Seoul) location, on Gangnam-daero about 2 minutes from Gangnam Station exit 10, with Dr. Yoongon Ryu and full English support. The clinic’s doctors grade your pigment type and depth first, then choose the wavelength and settings suited to your skin rather than applying one fixed protocol.
The defining feature of a pico laser is pulse duration measured in picoseconds, or trillionths of a second. When energy is delivered this quickly, most of it converts to mechanical rather than thermal force. Pigment particles absorb the pulse and are shattered by a photoacoustic pressure wave into fragments small enough for the immune system to remove over the following weeks. Because heat has little time to diffuse into nearby tissue, collateral thermal damage is minimal, which is what lowers the risk of post-inflammatory hyperpigmentation compared with nanosecond lasers. Wavelength choice tunes the target: 1064 nm reaches deeper pigment and is safer for darker skin because it spares epidermal melanin, while 532 or 755 nm suit shallower or coloured targets. A fractional or toning handpiece can also stimulate mild dermal remodelling for texture and glow. This precision is why settings are individualised by a doctor for your pigment and skin type.
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The doctor assesses your pigment type across the main categories and your skin tone, since this drives wavelength and setting choices.
Deeper or darker-skin pigment is usually treated with 1064 nm, while more superficial or coloured targets may use 532 or 755 nm.
Pulses lasting trillionths of a second shatter pigment photoacoustically, keeping heat spread low and reducing thermal side effects.
Shattered pigment is removed by the body over about 2 to 4 weeks, so results build progressively rather than instantly.
Most pigment plans run over 3 to 5 sessions spaced about 3 to 4 weeks apart, with tattoos often needing more.
See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.
At our Gangnam location, the clinic’s doctors grade your pigment type and depth, review your skin tone, and explain the wavelength, plan, and cost in English.
A typical session takes about 15 to 30 minutes after cleansing, with protective eyewear worn and numbing used only if needed.
Pigment plans run as a series, so treatment is mapped across a course rather than a single visit.
Shattered pigment clears over about 2 to 4 weeks per session, with tone improving progressively across the series.
Daily sunscreen and periodic maintenance help sustain results, since sun exposure and hormones can drive recurrence over months.
A pico laser is a picosecond laser that shatters pigment photoacoustically with minimal heat, treating sun spots, freckles, dullness, melasma-prone pigment, and some tattoos. Its ultra-short pulses reduce thermal side effects compared with older lasers. You can learn more about pigment options on our dark spot removal page.
Pico laser is often safer for Asian skin because its picosecond pulses generate a photoacoustic effect with far less heat, so comparative data show about 5 percent post-inflammatory pigment versus around 30 percent for nanosecond lasers. Using longer wavelengths like 1064 nm also spares epidermal melanin, further lowering the risk of unwanted pigment changes.
A pico laser fires pulses in trillionths of a second, shattering pigment mechanically with low heat, while a Q-switched laser uses longer nanosecond pulses that spread more heat. This makes pico gentler on pigment-prone skin with a lower rebound-pigment risk. Your doctor recommends the right option on our laser treatment page.
Most people describe pico laser as a mild snapping or tingling sensation, and toning sessions are often done without numbing. A cooling airflow and, where needed, topical anaesthetic keep it comfortable. Discomfort is brief and settings are adjusted to your skin, so the experience is generally well tolerated for pigment and toning work.
Pigment concerns usually need a series of 3 to 5 sessions spaced about 3 to 4 weeks apart, because the body clears shattered pigment gradually. Tattoos often require more. The exact number depends on your pigment depth, type, and response, which your doctor reviews between sessions and adjusts as your skin improves.
Yes, low-fluence pico laser toning is used for melasma-prone pigment, but it requires conservative settings and patience because melasma is easily aggravated. Trials show meaningful improvement over a course, though maintenance is essential. Your doctor combines it with sun protection and topical care on our dark spot removal page.
Downtime is usually minimal, often just mild redness for a few hours to a day. Targeted pigment spots may darken briefly before clearing, and tattoo work can cause temporary frosting or light crusting. Because heat spread is low, recovery is generally quicker than with older lasers, though sun protection is important afterwards.
Results build gradually as the body clears shattered pigment over about 2 to 4 weeks per session, so most people notice steady improvement after 2 to 3 sessions rather than immediately. Sun spots often respond first, while melasma improves more slowly. Your doctor tracks progress each visit and adjusts the plan to your response.
Yes, pico laser is widely used to fade tattoos, shattering ink into fine particles the body removes, and it often clears ink in fewer sessions than older lasers with less skin damage. The number of sessions depends on ink colour, depth, and age. A consultation assesses your tattoo and sets realistic expectations first.
Pigment results can hold well, but pigmentation, especially melasma, is influenced by sun and hormones, so it is managed and maintained rather than removed once and for all. Daily sunscreen and occasional maintenance keep tone even. Your doctor explains a realistic upkeep plan for your specific pigment at consultation.
Cost depends on the treatment area, your pigment depth, whether it is toning or tattoo work, and how many sessions your plan needs, so it is priced after assessment rather than from a fixed menu. At Reberry Clinic it is consultation-led, and the clinic’s doctors explain the plan and cost transparently in English.
It depends on your concern: pico suits deeper or melasma-prone pigment and tattoos, while IPL suits mixed superficial spots plus diffuse redness. A doctor decides after assessing your skin, and a combined plan is sometimes best. You can explore both on our dark spot removal page.
Our Gangnam (Seoul) location is on Gangnam-daero, about 2 minutes from Gangnam Station exit 10, and is led by Dr. Yoongon Ryu with full English support. It is convenient for international patients staying in central Seoul, and consultations are arranged ahead through our English-speaking team.
Yes, pico laser is often combined with topical brighteners, gentle resurfacing, or a hydrafacial to support tone and texture, spaced so the skin is not over-stressed. Your doctor sequences treatments based on your pigment and skin type so the combined plan stays safe and effective for your skin.
Daily broad-spectrum sunscreen is essential, since sun exposure can drive pigment recurrence, along with gentle cleansing and moisturising while any redness settles. Avoid picking at treated areas. A supportive skin care routine protects your results between sessions and is explained clearly as part of your plan.
For a first session, 2 to 3 days in Seoul is comfortable, allowing a consultation, treatment, and a short review. Because pico laser works best as a series, many international patients begin in Seoul and continue on return trips. Our English-speaking team helps coordinate timing and follow-up around your travel.
Yes, flying within a day or so is generally fine, since pico laser is non-invasive with usually minimal surface effects. Cabin air is drying, so moisturise and protect treated skin from sun. If a treated spot has darkened or lightly crusted, let it heal naturally and avoid picking while travelling home.
International patients can complete a pico laser course across one or more visits, and the clinic offers remote check-ins in English between trips so the plan stays on track. You can maintain results with home skin care and sunscreen. Your treatment notes are kept on file for continuity across visits.
| Pico Laser | Q-Switched Laser | IPL Photofacial | |
|---|---|---|---|
| Energy / mechanism | Picosecond pulses, photoacoustic shattering, low heat | Nanosecond pulses, photothermal-acoustic, more heat | Broadband intense pulsed light, photothermal |
| Best for | Melasma-prone, deeper, or diffuse pigment on darker skin, some tattoos | Discrete sun spots and some tattoo pigment | Mixed superficial spots plus diffuse redness |
| Pain / comfort | Mild snapping, often numbing-free for toning | Snapping, sometimes needs numbing | Warm snap, well tolerated |
| Downtime | Usually minimal, brief redness | Redness and crusting, higher rebound-pigment risk on some skin | Mild redness and micro-crusts over 1 to 2 weeks |
| Rebound-pigment risk | Lower, about 5% in comparative data | Higher, about 30% in comparative data | Requires careful settings on Asian skin |
| Vascular / redness help | Limited, mainly pigment focused | Mainly pigment, little vascular effect | Yes, treats vessels and pigment together |
| Cost context | Depends on pigment depth and sessions | Depends on lesion type and sessions | Depends on area and sessions |
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