Gangnam
Dr. Yoon-Gon Ryu
Aesthetic Medicine Specialist
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A spider vein cleared with a long-pulsed 1064 nm Nd:YAG laser usually stays cleared, with studies reporting many treated vessels still clear at 12 months, though new veins can form later.
A spider vein cleared by long-pulsed Nd:YAG laser usually stays cleared, because the treated vessel is closed off and reabsorbed. Studies report many treated vessels still clear at 12 months. What laser cannot prevent is new spider veins forming over the years, driven by genetics and standing. Results are durable per vessel, not a fix for the tendency.
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Spider veins are small, superficial red or bluish vessels, often on the legs or face. Laser treatment in Korea commonly uses a long-pulsed 1064 nm Nd:YAG laser, whose energy is absorbed by haemoglobin in the vessel, heating and coagulating it so the body gradually reabsorbs the closed vessel over the following weeks.
Because the treated vessel is physically closed rather than merely faded, a vessel that clears usually stays cleared. The result is durable for each vein: once reabsorbed, that vessel does not reopen. What laser cannot do is change the underlying tendency to form spider veins, which is influenced by genetics, hormones, prolonged standing, and ageing. So new spider veins can appear over months and years, and these are separate vessels rather than a return of the ones treated.
At Reberry Clinic, spider vein treatment is consultation-led, with the clinic’s doctors assessing vessel size and colour and setting laser parameters to your skin tone, then planning any repeat sessions. International patients are supported in English across our three Seoul-area locations (Gangnam, Myeongdong, Incheon Airport).
The long-pulsed 1064 nm Nd:YAG wavelength penetrates deeply and is absorbed by haemoglobin, delivering heat over a longer pulse that coagulates the vessel wall along its length rather than just spotting it. The closed vessel is then broken down and reabsorbed by the body over roughly 4 to 12 weeks, which is why a treated vein clears gradually rather than instantly. Because that vessel is removed from circulation, its clearance is durable and it does not reopen, so studies report the majority of treated vessels remaining clear at follow-up around 12 months. Longevity of the overall look then depends on biology, not the laser: new spider veins can develop where genetics, hormones, prolonged standing, and ageing drive them. Vessels up to about 3 mm respond best, and larger or feeding vessels may need more sessions or a different approach, which the doctor plans at consultation.
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The laser heats and coagulates each targeted vessel in 1 pass lasting only a few seconds per area.
The closed vessel is reabsorbed over about 4 to 12 weeks, so clearing looks gradual rather than instant.
More stubborn or feeding vessels may need 2 to 3 sessions spaced about 4 to 6 weeks apart.
Because each vessel is removed from circulation, it does not reopen, staying clear well beyond 12 months in studies.
Separate new spider veins may appear over months or years if your personal tendency continues.
See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.
The clinic’s doctors assess vessel size, colour, and skin tone, then explain likely clearance and sessions in English.
After preparing the area, treatment takes roughly 15 to 30 minutes depending on how many vessels are targeted.
Any redness or mild bruising usually settles within days, with clearing developing over 4 to 12 weeks.
Treated vessels gradually reabsorb and clear, sometimes needing 2 to 3 sessions for stubborn ones.
Sun protection and managing standing or leg strain help limit new veins forming over time.
A spider vein cleared by Nd:YAG laser usually stays cleared, because the treated vessel is closed and reabsorbed rather than just faded, with studies showing many treated vessels still clear at 12 months. Results are durable per vessel. New spider veins can still appear over the years from genetics and lifestyle, so it is not a one-time fix for the tendency.
No, a vessel that fully clears does not reopen, because it has been coagulated and reabsorbed by the body. What people sometimes see is a new, separate spider vein nearby, which is a different vessel. You can review the laser approach on our laser treatment page before booking a consultation.
New spider veins reflect a personal tendency driven by genetics, hormones, prolonged standing, and ageing, not by treated vessels reopening. Legs are especially prone because of pressure from standing. Sun protection and managing leg strain can slow new ones, but the underlying tendency is not fully removed by treating existing veins.
Treated vessels clear gradually over about 4 to 12 weeks as the body reabsorbs them, so the full result is not immediate. Some vessels darken briefly before fading. Your doctor reviews progress and may plan a second session, and you can see related options on our laser treatment page.
Many fine vessels respond in 1 session, while stubborn or feeding vessels often need 2 to 3 spaced about 4 to 6 weeks apart. The exact number depends on vessel size, depth, and colour. Your doctor confirms a plan at consultation so you know how many visits your particular veins are likely to require.
Most patients describe a quick snapping or warm sensation as each vessel is treated, with cooling used for comfort, and the discomfort does not affect how long results last. Leg vessels can feel a little stronger than facial ones. The doctor adjusts settings and cooling so the session stays comfortable for you.
Downtime is minimal, with brief redness and sometimes mild bruising that usually settles within days. Treated vessels may look slightly darker before they fade over 4 to 12 weeks. Protecting the area from sun and following simple aftercare, as on our skin care page, supports clean healing.
Yes, the long-pulsed 1064 nm wavelength is well suited to darker skin because it penetrates deeply and is less absorbed by surface pigment, lowering the risk of pigment change. Settings are still tailored to your skin tone at consultation. This makes it a common choice for spider veins across a range of Fitzpatrick skin types.
For each treated vessel, clearance is already durable once reabsorbed, so no maintenance is needed for it. To limit new veins, protect skin from sun, avoid long unbroken standing where possible, and support leg circulation. If new vessels appear later, they can simply be treated the same way as separate, straightforward sessions.
Yes, laser vessel clearance can be paired with other skin treatments, spaced so each area heals properly. For facial redness, a supportive routine or a gentle hydrating facial can complement it between sessions. Your doctor sequences everything around your healing so results build without overstressing the skin.
Larger reticular or feeding veins may not respond fully to laser alone and can need a different approach or additional sessions, which the doctor assesses first. Treating a feeding vein can also reduce recurrence of connected spider veins. A consultation clarifies the best plan and the laser treatment options for your veins.
Clearance of a treated vessel is reliably durable for everyone, but how often new veins appear varies with genetics, hormones, standing, and age. Some people need only occasional touch-ups, others more. A consultation gives a realistic estimate for your legs or face and outlines how future sessions would work if new veins form.
Reberry Clinic offers Nd:YAG spider vein treatment across three Seoul-area locations: Gangnam and Myeongdong in central Seoul, and Incheon Airport for transit-friendly access. English-speaking staff support international patients at each. You can review the treatment first on our laser treatment page and ask which location suits your itinerary.
Plan a short visit for a consultation and a treatment session, since the procedure itself is quick with minimal downtime. Because clearing develops over 4 to 12 weeks and stubborn vessels may need a repeat, you can continue assessment from home. Our English-speaking team helps time visits around your travel plans in Seoul.
Yes, flying soon after is generally fine for facial and small leg vessels, since downtime is minimal. For leg treatment, staying mobile and following any advice on movement supports healthy circulation while travelling. Keep the area protected from sun as vessels fade over 4 to 12 weeks, and your doctor confirms timing for your case.
Treated vessels can be assessed at home over the 4 to 12 week clearing window, with remote check-ins in English to review progress. If new spider veins appear later, they can be treated as separate sessions on a future trip, and your notes are kept on file so any repeat builds on your earlier treatment.
| Long-pulsed Nd:YAG Laser | Sclerotherapy | Intense Pulsed Light | |
|---|---|---|---|
| Energy / mechanism | 1064 nm light coagulates the vessel via haemoglobin | Injected solution irritates and closes the vessel | Broadband light targets superficial vessels |
| Best for | Fine to medium leg and facial vessels up to ~3 mm | Reticular and larger leg veins | Very fine facial redness and vessels |
| Does the vessel return | Treated vessel does not reopen once reabsorbed | Treated vessel does not reopen once closed | Treated vessel does not reopen once cleared |
| Results timeline | Clears gradually over 4 to 12 weeks | Clears over several weeks | Fades over a few sessions |
| Downtime | Minimal, brief redness or bruising | Compression and brief bruising possible | Minimal, brief redness |
| Sessions | Often 1 to 3 depending on vessels | Often 1 to 3 depending on veins | Often 2 to 4 for facial vessels |
| Cost factors | Depends on area, vessel size, and session count | Depends on area and session count | Depends on area and session count |
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