Gangnam
Dr. Yoon-Gon Ryu
Aesthetic Medicine Specialist
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Reticular veins are larger, bluish feeder veins, so choosing a clinic is about honest sizing: finer vessels may respond to a long-pulsed Nd:YAG laser, while larger ones usually need a sclerotherapy referral.
To choose a reticular vein treatment clinic in Seoul, prioritise honest vein sizing over any single device. Finer surface reticular vessels may respond to a long-pulsed Nd:YAG vascular laser, but larger bluish feeder veins usually need a sclerotherapy referral. Look for a doctor-led assessment, skin-tone-aware settings, and a realistic session plan.
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Reticular veins are flat, bluish or greenish veins that sit just beneath the skin, larger than fine spider veins but smaller than bulging varicose veins. They are commonly seen on the legs, behind the knees, and sometimes on the face, and they can act as feeder veins that supply nearby spider veins. Because they span a size range, the single most important step is honest measurement: a clinic must decide whether a vein is fine enough for laser or large enough to need injection.
For the finer end, a long-pulsed Nd:YAG (1064 nm) vascular laser can be appropriate. Its wavelength is absorbed by haemoglobin, heating and closing the targeted vessel, and it penetrates deep enough to reach reticular veins while remaining comparatively safe for melanin-rich skin. However, larger reticular and feeding veins frequently respond better to sclerotherapy, where a solution is injected to close the vein. Treating a spider vein without addressing its larger feeder can lead to recurrence, which is why assessment of the whole vein network matters.
Choosing a clinic in Seoul therefore means finding one that maps the vein network, uses the correct tool for each vein size, and refers to sclerotherapy when laser is not enough. At Reberry Clinic, reticular vein care is consultation-led across our three Seoul-area locations (Gangnam, Myeongdong, Incheon Airport), with English-language support for international patients.
A long-pulsed Nd:YAG (1064 nm) vascular laser works by selective photothermolysis: haemoglobin inside the vein absorbs the light, converting it to heat that coagulates the vessel wall so the body can clear it. The 1064 nm wavelength reaches deeper than shorter vascular wavelengths, which is why it can address some reticular veins that sit below the surface, and it is comparatively safe for darker or tanned skin because melanin absorbs it poorly. The limitation is diameter: as a vein grows past roughly 1 to 3 mm, the volume of blood needing to be heated makes laser less reliable, and a feeder vein left untreated can refill nearby spider veins. That is where sclerotherapy takes over, closing the larger vessel from the inside with an injected solution. A capable clinic reads the whole vein network first, tunes wavelength, fluence, pulse duration, and cooling for any veins that are laser-appropriate, and refers larger reticular or varicose veins for injection. The honest answer for many reticular veins is a combined or referral-based plan rather than laser alone, and a clinic worth choosing will say so.
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A good clinic maps the vein network and grades size, since a feeder vein over 1 to 3 mm may refill spider veins if it is left untreated.
Ask how the clinic decides laser versus injection, because finer reticular veins may suit a 1064 nm laser while larger ones need sclerotherapy.
For laser-appropriate veins, a long-pulsed Nd:YAG 1064 nm vascular laser is the usual choice, as its wavelength reaches deeper vessels safely.
Settings should match your Fitzpatrick type, since 1 overly aggressive parameter on darker skin raises the risk of temporary pigment change.
For larger reticular or feeder veins, a trustworthy clinic explains that sclerotherapy, not laser, is appropriate and refers you accordingly.
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 vein network and size each vessel, then explain whether a 1064 nm laser fits or a sclerotherapy referral is wiser, in English.
A laser session for laser-appropriate veins usually takes about 20 to 40 minutes depending on how many vessels are treated.
Because reticular veins often need more than 1 session or a referral, a plan is mapped across visits rather than billed as a single fixed appointment.
Treated veins usually fade over roughly 2 to 8 weeks as the closed vessel is reabsorbed, and your doctor reviews progress before any repeat.
Addressing feeder veins reduces recurrence, but new veins can form over time, so sun protection, movement, and occasional touch-ups may be discussed.
Choose a clinic that maps your whole vein network and sizes each vein honestly, uses a long-pulsed Nd:YAG laser only for laser-appropriate vessels, and refers larger feeder veins for sclerotherapy. A doctor-led plan matters more than any single device. You can start on our laser treatment page.
Reticular veins are larger, flat, bluish or greenish veins beneath the skin, while spider veins are finer red or blue surface vessels. Reticular veins can act as feeder veins that supply spider veins. That link matters, because treating spider veins without addressing a large feeder can lead to recurrence.
It depends on size. Finer surface reticular veins may respond to a long-pulsed Nd:YAG 1064 nm laser, but larger bluish feeder veins usually respond better to sclerotherapy. A good clinic sizes each vein and may recommend a referral. You can review our light-based options on our laser treatment page.
When laser is appropriate, a long-pulsed Nd:YAG 1064 nm vascular laser is the usual choice because its wavelength reaches deeper vessels and closes them by heating haemoglobin. It is also comparatively safe for melanin-rich skin. See our laser treatment page for related options.
Yes, the 1064 nm Nd:YAG wavelength is poorly absorbed by melanin, which makes it a preferred option for Asian and mixed skin tones. Settings are still tuned to your Fitzpatrick type to reduce the small risk of temporary pigment change. A consultation confirms suitability before any session begins.
Laser sessions feel like a quick warm snapping sensation as each vessel is treated, and cooling protects the skin surface. Sessions usually take 20 to 40 minutes. If a sclerotherapy referral is advised for larger veins, that involves fine injections instead, which your doctor will explain fully beforehand.
Downtime is usually minimal after laser, with temporary redness, mild swelling, or small bruising that settles over days. Sclerotherapy for larger veins may involve compression and mild bruising for a period. Your doctor explains the recovery for whichever route suits your veins so you can plan around it.
Reticular veins often need more than 1 session, or a combination of laser and a sclerotherapy referral, spaced weeks apart. The exact number depends on vein size and how the network responds. Be cautious of any clinic promising complete clearance in a single visit for larger veins.
Recurring spider veins are often refilled by a larger reticular feeder vein that was never treated. Addressing only the surface vessel leaves the source in place. A good clinic maps the network and treats or refers the feeder, which reduces recurrence and is why honest sizing matters so much.
Treated veins usually fade over roughly 2 to 8 weeks as the closed vessel is reabsorbed, rather than vanishing immediately. Larger veins can take longer than fine ones. Your doctor reviews progress before recommending any repeat session so the plan stays matched to how your veins respond.
Common effects are temporary redness, swelling, or bruising, and occasionally short-lived pigment change, particularly on darker skin if settings are too aggressive. Choosing a clinic that adjusts parameters to your skin tone reduces this. Your doctor reviews your history to keep the treatment appropriate and comfortable for you.
Adults with finer surface reticular veins deemed laser-appropriate are usually suitable, while larger feeder or varicose veins may need a referral. Active skin infection, pregnancy, or a fresh tan can change the plan. A consultation sizes your veins and confirms whether laser or injection is the safer route.
Yes, vein treatment can often be sequenced with skin treatments, though your doctor spaces them so the skin is not over-stressed. For overall skin quality, a supportive skin care routine helps between visits. Any combination plan is decided at consultation based on your skin and goals.
Daily sunscreen, gentle skincare, staying active, and avoiding heat or scrubbing on treated areas help results hold and reduce pigment risk. A calming skin care routine supports recovery. Your doctor gives area-specific aftercare so treated veins clear cleanly and surrounding skin stays protected.
For a first session, 2 to 3 days is comfortable, covering a consultation, treatment, and a short review. Because reticular veins may need a course or referral, many international patients begin in Seoul and plan return visits. Our English-speaking team helps coordinate timing around your travel.
Yes, flying within a day or so is generally fine after laser for fine veins. If you had a sclerotherapy referral for larger veins, your doctor may advise movement, compression, or a short wait, since long flights and leg veins interact. Follow the specific aftercare given before you travel.
International patients can complete a vein plan across one or more visits, and the clinic offers remote check-ins in English between trips so the plan stays on track. You can continue supportive skin care at home. Your treatment notes are kept on file for continuity of care.
| Long-Pulsed Nd:YAG Laser | Sclerotherapy Referral | Spider Vein Laser Alone | |
|---|---|---|---|
| Mechanism | 1064 nm light absorbed by haemoglobin closes finer reticular veins | Injected solution closes larger reticular and feeder veins | Surface laser targets fine spider veins only |
| Best for | Finer surface reticular veins the doctor deems laser-appropriate | Larger bluish feeder veins and reticular networks | Fine visible spider veins without a large feeder |
| Depth reach | Deeper than surface lasers, but diameter-limited | Works regardless of depth for suitable veins | Surface only, may miss the feeder vein |
| Recurrence risk | Lower when the feeder is also addressed | Lower when the whole network is treated | Higher if a large feeder is left untreated |
| Downtime | Usually minimal, some redness or bruising | Compression and mild bruising for a period | Usually minimal |
| Cost factors | Depends on vein area and session count | Depends on vein number and extent | Depends on area, but may need repeats |
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