Gangnam
Dr. Yoon-Gon Ryu
Aesthetic Medicine Specialist
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Once a reticular vein is closed with a long-pulsed 1064 nm Nd:YAG laser, it usually stays cleared, though studies note a small share can recur within 6 to 12 months.
Reticular vein treatment is usually lasting: once a vein is sealed with a long-pulsed 1064 nm Nd:YAG laser, that vessel is absorbed and does not reopen, so treated veins tend to stay cleared for years. It is not a one-time fix for your legs overall, since new reticular veins can develop over time from genetics, pressure, and ageing.
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Reticular veins are the flat blue-green vessels, usually 1 to 3 mm wide, that sit just under the skin, most often on the legs. A long-pulsed 1064 nm Nd:YAG vascular laser heats the blood inside the vein so its wall collapses and seals, after which the body gradually absorbs the closed vessel over several weeks. Because the vein is physically closed rather than temporarily faded, a successfully treated vein tends to stay gone.
The honest nuance is that treatment clears the veins present now, not your future risk. Studies show high clearance, with many patients achieving 75 percent or more improvement over a series, yet a small share of vessels can recur within 6 to 12 months, and entirely new reticular veins may form over the years because the underlying tendency, driven by genetics, standing, and ageing, remains. This is why results are best described as durable clearance of treated veins, with occasional maintenance for new ones.
At Reberry Clinic, reticular vein treatment is consultation-led, with the clinic’s doctors assessing vessel size and depth, screening for any larger feeding veins that need separate management, and setting laser parameters to your skin tone. 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 2 to 4 mm to reach the deeper blue reticular vessels and is absorbed by haemoglobin, heating the blood so the vein wall is damaged and coagulates shut. Over the following weeks the sealed vein is broken down and reabsorbed by the body, leaving no vessel to refill, which is why a fully treated reticular vein generally does not reopen. Clinical series report that around two-thirds of vessels 1 to 3 mm wide clear more than 75 percent, often within one to three sessions spaced about 6 weeks apart. Recurrence, seen in a minority of patients at 6 to 12 months, tends to reflect a vessel that was incompletely closed or a nearby feeding vein, which is why screening and adequate settings matter. New reticular veins forming later are a separate event driven by the same genetic and lifestyle factors, not the old veins returning. Durability therefore depends on complete closure plus sensible aftercare, since sun protection limits pigment change and compression can support healing, while the underlying venous tendency is managed rather than cured.
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The laser seals each targeted 1 to 3 mm vein during the session, so it stops carrying blood right away.
The closed vein is reabsorbed by the body over about 4 to 8 weeks, when the visible clearing appears.
Across 1 to 3 sessions spaced roughly 6 weeks apart, most vessels reach 75 percent or greater clearance.
Fully closed veins usually stay gone, with recurrence limited to a minority of patients at 6 to 12 months.
New reticular veins may appear over years, so many patients touch up every 1 to 2 years as needed.
See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.
The clinic’s doctors map your veins, check for larger feeders, and explain likely longevity in English before treatment.
A session usually takes about 20 to 40 minutes depending on the area, with cooling for comfort during pulses.
Treated veins seal immediately, then clear visibly over about 4 to 8 weeks as the body absorbs them.
Across 1 to 3 sessions spaced about 6 weeks apart, most vessels reach 75 percent or greater clearance.
Sun protection, any advised compression, and touch-ups every 1 to 2 years keep legs looking clear.
Treated reticular veins usually stay gone, because a sealed vein is absorbed by the body and does not reopen, with studies showing durable clearance and recurrence in only a minority at 6 to 12 months. It is not a one-time fix for your legs overall, since new veins can form over years, so occasional touch-ups keep results clear.
The specific vein that is fully sealed does not come back, because it is closed and reabsorbed rather than faded. What can happen is that new reticular veins develop over years from genetics and pressure, or a nearby feeder reopens a vessel. Screening and touch-ups, part of a proper laser treatment plan, keep this low.
New reticular veins reflect an underlying tendency driven by genetics, prolonged standing, hormones, and ageing, which treatment clears but does not cure. They are fresh vessels, not the treated ones returning. Managing standing time, weight, and any larger feeding veins reduces how often new ones appear, and touch-ups handle them as they come.
Treated veins seal immediately but clear visibly over about 4 to 8 weeks as the body absorbs them, with the full effect building across a series of sessions. Some redness or bruising can appear first and fades within days to weeks. Your doctor reviews progress between sessions before you judge the final result.
For each fully sealed vein it is effectively permanent, since the vessel is closed and reabsorbed and most do not reopen. It is not a permanent stop to new veins forming, because the venous tendency remains. Think of it as durable clearance of treated veins, maintained with sun care and the occasional touch-up rather than a one-time fix.
Most legs need 1 to 3 sessions spaced about 6 weeks apart, with roughly two-thirds of 1 to 3 mm vessels clearing more than 75 percent over that series. Denser or larger veins may need more. Your doctor confirms the plan at consultation, and you can review related options on our laser treatment page.
Most patients feel a quick snapping or warm sensation with each pulse, eased by skin cooling, rather than significant pain, and no numbing injection is usually needed. Comfort does not affect how long results last, which depends on the vein sealing fully. Larger vessels may feel slightly stronger but are treated carefully.
Downtime is minimal; you can usually return to daily activity the same day, with some redness, mild swelling, or bruising for a few days to a couple of weeks. Compression may be advised to support healing. Avoiding heavy sun and intense leg exercise briefly helps the treated veins settle cleanly.
Use daily sunscreen on treated skin, wear any advised compression, keep active, avoid long unbroken standing, and manage weight to reduce venous pressure. These habits limit both pigment change and new veins. A steady routine, including sun care like that on our skin care page, supports lasting, even-looking results.
Yes, combining approaches can be the most durable option when larger feeding veins are present, with injection addressing feeders and the 1064 nm laser sealing residual surface vessels. A three-year study of this combination showed markedly improved results. Your doctor decides the mix after mapping your veins, alongside other options on our laser treatment page.
No, longevity varies with vein size, depth, skin tone, genetics, and standing habits, so some people enjoy years of clear legs while others form new veins sooner. Screening for feeder veins improves durability. A consultation gives a realistic estimate, and you can review the full laser treatment options beforehand.
A single session needs only 1 to 2 days including consultation, though clearing builds over 4 to 8 weeks afterward. If you want part of a series done here, plan visits about 6 weeks apart or continue at home. Our English-speaking team helps coordinate timing around your travel schedule.
Yes, short flights within a day or two are generally fine, though it is sensible to move around during longer flights, stay hydrated, and follow any compression advice for leg health. The treated veins continue clearing over 4 to 8 weeks wherever you are. Your doctor confirms timing based on the area treated.
International patients can assess clearing at home over the 4 to 8 week window, with remote check-ins in English to review progress. Maintenance or touch-ups for new veins can be planned around future trips, and your treatment notes are kept on file so any repeat builds on your previous sessions and settings.
Cost depends on the size of the treated area, the number of veins and sessions, and whether combined therapy is needed, rather than one fixed price. Denser vein patterns take more time. A consultation gives a clear plan, and you can explore related options on our laser treatment page first.
| Long-pulsed Nd:YAG Laser | Sclerotherapy | Combined Laser + Sclerotherapy | |
|---|---|---|---|
| Energy / mechanism | 1064 nm heat seals the vein wall | Injected solution irritates and closes the vein | Injection then laser to seal residual vessels |
| Best for | Fine to medium reticular veins, needle-free | Feeding and reticular veins | Mixed or resistant vein patterns |
| How long results last | Treated veins usually stay closed | Treated veins usually stay closed | Often the most durable overall clearance |
| New veins forming | Possible over years from venous tendency | Possible over years from venous tendency | Possible over years from venous tendency |
| Downtime | Minimal, some redness or bruising | Minimal, some bruising, compression advised | Minimal to short, compression advised |
| Sessions | Often 1 to 3 | Often 1 to 3 or more | Often 2 to 3 |
| Cost factors | Depends on area and session count | Depends on area and session count | Depends on area and session count |
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