At a glance
Pico laser in Hongdae at a glance
- People who search for the best pico laser in Hongdae can compare 5 clinics around Hongik University here, see what each card lists, and use the questions below to tell one offer from another.
- Picosecond devices fire bursts lasting trillionths of a second, so pigment and ink crack apart mostly through pressure while surrounding skin takes on less heat.
- Clinics charge per session, per multi-session course or, for tattoos, by the size of the design, and quotes are written before VAT.
- The most useful single check: ask the clinic to name the type of pigment it sees on your skin before it names a setting.
Basics
What is Pico laser?
A pico laser is a pigment laser whose pulses are measured in picoseconds. Brown marks and tattoo ink absorb that light and shatter into tiny particles, which the body clears over several weeks. Because each pulse ends before much heat spreads, nearby tissue is spared more than with older nanosecond machines, which matters for skin that darkens easily after irritation.
Settings differ by platform. PicoSure from Cynosure works at 755 nm and can be paired with the FOCUS lens array for texture and shallow acne scars, while other systems emit 1064 nm for deeper or blotchy pigment. Feng and colleagues, in a 2023 meta-analysis of six randomized trials in Lasers in Medical Science, reported that 1064 nm treatment reduced melasma severity scores, whereas the 755 nm subgroup did not clearly beat topical lightening creams and was linked to post-inflammatory darkening.
Low-energy toning, single-spot treatment and fractional lens passes count as three separate services even on one machine. In a 2025 split-face trial in Lasers in Medical Science, Wu and colleagues treated 30 melasma patients five times at four-week intervals; adding a micro-lens array to 1064 nm toning was followed by fewer recurrences at six months and better texture and pore readings than toning alone.
Clinics in Hongdae
5 clinics for Pico laser in Hongdae
Every clinic below lists Pico laser among its treatments. Message a clinic directly.

1. Springday Clinic Sinchon

2. NAIN Clinic Hongdae

3. Sinchon Mili Clinic

4. Selena Skin Clinic Hongdae

Why Korea
Why people choose Korea for Pico laser
Seoul skin clinics have used picosecond platforms for years, so a specific wavelength or lens attachment is usually easy to find.
Redness after toning generally settles within hours to a few days, and flying home on the treatment day is generally possible.
Clinics in student and shopping districts such as Hongdae see many foreign visitors and often hand out aftercare sheets in English.
Session-based pricing listed before VAT makes it simple to compare two quotes once both describe the same pass and area.
Who it suits
Who Pico laser suits
- Good fit: travellers with freckles, flat sun spots or patchy brown tone who want gradual lightening with little time off.
- Good fit: people with melasma who can commit to a gentle course and strict sun protection between visits.
- Not a good fit: pregnant patients, or anyone with a rash, cold sore, infection or open wound on the face.
- Not a good fit: people with a recent tan or who take light-sensitizing medicines without the treating doctor's approval.
- Not a good fit: anyone hoping a single visit will remove melasma for good.
Selection criteria
How we chose these clinics
- Pigment diagnosis: the doctor should tell freckles, sun spots, melasma and birthmark-type marks apart, ideally with skin imaging, before any setting is chosen.
- Named platform and wavelength: ask which machine and wavelength will treat each concern and why, and expect a reason linked to how deep the pigment sits.
- Written plan: the quote should state the pass type, the zones covered and the number of sessions, so that two offers describe the same work.
- Who holds the handpiece: check whether the treating doctor performs the passes or supervises staff, and who looks at your skin on later visits.
- Price detail: confirm that figures are before VAT with 10% added at payment, and whether numbing cream, a soothing mask or sunscreen is included.
- Aftercare in your language: you should leave with written instructions on sun protection, makeup timing and signs of irritation that need a call back.
- Willingness to say no: a consultation that postpones treatment on tanned, inflamed or freshly peeled skin is a sign the plan is built around you.
Evidence
Research behind this page
- Efficacy and safety of picosecond laser for the treatment of melasma: a systematic review and meta-analysisLasers in Medical Science · 2023 · doi:10.1007/s10103-023-03744-y
Across six randomized trials, 1064 nm picosecond laser lowered melasma severity scores without significant side effects, while the 755 nm subgroup did not significantly improve on topical lightening agents and was linked to post-inflammatory hyperpigmentation.
- Efficacy and safety of low-fluence 1064 nm picosecond laser with/without micro-lens arrays for melasma treatment: a randomized, split-face controlled studyLasers in Medical Science · 2025 · doi:10.1007/s10103-025-04655-w
Thirty melasma patients had five sessions four weeks apart; both sides improved, and the micro-lens array side had fewer recurrences at six months plus better texture and pore measurements.
FAQ
Questions about Pico laser in Hongdae
How can I tell whether my brown patches are melasma or sun spots?
Only an in-person skin exam can tell, because melasma and sun spots often look alike in a mirror. Melasma tends to form blurred, symmetrical patches on the cheeks or upper lip and worsens with heat and hormones, while sun spots are sharper and scattered. Many clinics use imaging to show the depth. Getting this step right decides whether you need a gentle toning course or targeted spot passes.
Is 1064 nm or 755 nm usually used for melasma?
Low-energy 1064 nm toning is the wavelength most often chosen for melasma. A 2023 meta-analysis by Feng and colleagues in Lasers in Medical Science found 1064 nm reduced severity scores, while 755 nm showed no clear gain over creams in that analysis and sometimes caused darkening. Settings still depend on your skin. Ask the treating doctor to explain the choice for your specific patches.
Do I need a consultation day before the laser day?
Most clinics can examine your skin and treat it on the same visit if nothing needs to settle first. A separate consultation makes sense if you have a tan, irritation or recent peel, because treatment may be postponed. On a short stay, book the first session early in the trip. That leaves time for a follow-up check before you leave Seoul.
Will people notice I had laser toning when I go sightseeing?
Most people show mild pinkness for a few hours after low-energy toning, and some stay lightly red for a day or two. Spot treatment is more visible, because treated marks darken and form tiny crusts that flake off over about a week. Plan photos, dinners and events around those timelines. Fractional lens passes can leave fine crusting for several days.
What does a micro-lens array add to a toning session?
A micro-lens array splits the beam into many tiny points that work below the surface, aiming at texture and pores as well as pigment. In a 2025 split-face study in Lasers in Medical Science, Wu and colleagues found the array side had fewer melasma recurrences at six months and better texture than toning alone. It is often listed as an extra line in the quote.
Should I stop retinoids or acids before the appointment?
Many clinics ask patients to pause retinoids, strong acids and scrubs for several days before laser treatment, because these thin or irritate the surface layer and can make redness and darkening more likely. Tell the doctor about every cream and medicine you use, including acne tablets, and ask when each can be restarted. Pause them again afterwards until the skin calms.
How many clinic visits should I plan for freckles versus tattoos?
Freckles and flat sun spots often lighten after one or two sessions, while tattoos usually need a longer series. Ink fades gradually and sessions are spaced weeks to months apart, so tattoo removal is commonly split across several trips. Melasma courses sit in between, with repeat toning every few weeks. Ask each clinic for its expected session count in writing.
Summary
Final thoughts
How to decide depends on who you are. A first-time visitor with scattered freckles may need only one well-planned spot session and clear aftercare. A person with melasma gains more from a clinic that maps the pigment, keeps energy low and books follow-ups. On a short stay, start with toning, or schedule spot work early so crusts have flaked before your flight.
If you plan to combine the laser with other skin treatments, ask how the clinic sequences them. On a budget, compare only quotes that name the platform, pass type, zones and inclusions. The right clinic is the one whose plan fits your skin, goals and days in Seoul.
