
Dr. Yoongon Ryu
Flagship clinic · KOL for leading lifting & regenerative devices

For hollow-type dark circles, tear-trough hyaluronic acid filler typically lasts about 9 to 18 months, fading gradually rather than stopping abruptly, so a light top-up refreshes the result.
For hollow-type dark circles, tear-trough hyaluronic acid filler in Korea usually lasts about 9 to 18 months, softening the under-eye shadow. The gel breaks down gradually, not all at once, so the effect fades slowly and a small top-up maintains it. Longevity varies with the gel used, injection depth, metabolism and how much you smile.
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Dark circles have several causes, and the answer to how long treatment lasts depends on the cause. When the under-eye shadow comes from a hollow tear trough, a small amount of soft hyaluronic acid (HA) gel is placed deep along the groove between the lower eyelid and cheek. This fills the shadow-casting hollow, smooths the transition and reduces the darkness that hollowing creates. Because HA is a temporary gel that the body slowly reabsorbs, the result is long-lasting but not permanent.
For this hollow, filler-suitable type of dark circle, most patients see the correction hold for roughly 9 to 18 months. The under-eye area moves relatively little compared with the lips, so the gel there often lasts longer than facial filler placed in mobile zones. Pigment-driven or blood-vessel-driven dark circles respond less to filler and may be better addressed with other approaches, which is why an honest assessment matters before treatment.
Reberry Clinic is a dermatology clinic serving international patients across three Seoul-area locations (Gangnam, Myeongdong, Incheon Airport) with English-speaking support. The clinic’s doctors assess which type of dark circle you have, then explain a realistic duration and a top-up plan rather than promising a single fixed timeframe.

Hyaluronic acid attracts and binds water, adding gentle volume wherever it is placed, then is broken down naturally by an enzyme called hyaluronidase over months. Under the eyes the skin is thin, so a soft, low-cohesivity gel is chosen and placed deep to avoid a bluish tint or puffiness. Because this zone moves less than the mouth, the gel is metabolized more slowly, which is why the correction commonly holds for 9 to 18 months. You can review the broader use of soft gels on the injectable fillers page.
Several factors shift that window. A more cross-linked gel resists breakdown longer; a faster metabolism, an active lifestyle and repeated squinting shorten it. Correct depth and conservative volume also protect longevity, because overfilled tear troughs can trap fluid rather than last longer. Reberry Clinic’s doctors weigh these variables and may suggest a booster such as Rejuran Healer for under-eye skin quality when pigment or thin skin contributes to the darkness.
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In about 15 to 20 minutes a doctor identifies whether your dark circles are hollow, pigment or vascular, since only the hollow type is well suited to filler.
A soft, low-cohesivity HA gel is selected for the thin under-eye skin, balancing a natural look against a longevity of roughly 9 to 18 months.
A small volume, often under 1 mL across both eyes, is placed deep to smooth the hollow without overfilling, which protects how long it lasts.
Over 1 to 2 weeks initial swelling resolves and the true, longer-lasting result appears.
Because the gel fades gradually, most patients refresh at around 9 to 18 months rather than waiting for it to disappear.

See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.










An English-language consultation identifies your dark-circle type and, if filler suits, sets a conservative volume and a realistic duration expectation.
After about 15 to 20 minutes of numbing, the injection itself takes roughly 15 to 30 minutes.
Most patients need a single session, so it fits a short Seoul trip; any refinement is discussed separately.
The shadow softens immediately, with swelling settling over 1 to 2 weeks to reveal the lasting result.
Expect roughly 9 to 18 months before a top-up; gentle aftercare and sun protection help maintain it.



For hollow-type dark circles, tear-trough hyaluronic acid filler typically lasts about 9 to 18 months. The gel fades gradually rather than stopping suddenly, so a small top-up refreshes it. Longevity depends on the gel and technique, which the team explains alongside your injectable filler plan.
No, it is temporary but long-lasting, since hyaluronic acid is a gel the body slowly reabsorbs over about 9 to 18 months. This is an advantage, because it is adjustable and mostly reversible if you ever wish to dissolve it. Your doctor advises a realistic top-up interval rather than treating it as a one-time fix.
The under-eye area moves far less than the lips, and less movement means the hyaluronic acid gel breaks down more slowly there, often reaching 9 to 18 months. Deeper, conservative placement also helps. Mobile zones like the mouth metabolize filler faster, which is why the same gel can last different lengths of time by area.
Filler works best for hollow-type dark circles, where a tear-trough groove casts a shadow that darkens the under-eye. It fills the hollow and smooths the transition to the cheek. Pigment-driven or vascular dark circles respond less, so an injectable filler assessment first confirms whether it will help you.
Discomfort is mild, because numbing cream is applied first and many gels contain lidocaine; a blunt cannula is often used to reduce bruising and is gentler on the delicate area. The injection takes roughly 15 to 30 minutes, and most patients describe pressure rather than sharp pain during placement.
Downtime is minimal, though small bruises, mild swelling or tenderness under the eye can appear and usually settle within several days to a week. Bruising is more likely here than in thicker areas, so many travelers leave a few buffer days before important events after their appointment at the clinic.
You see the shadow soften immediately, but mild swelling in the first days can make the area look slightly fuller than the final shape. The true result appears once swelling settles over 1 to 2 weeks. For skin-quality support alongside filler, see our Rejuran Healer page.
Yes, to a degree: choosing an appropriate gel, avoiding overfilling, protecting the area from sun and maintaining stable weight all support longevity. A timely top-up before the gel fully fades keeps the correction consistent. Your doctor tailors the interval to how your body metabolizes the filler rather than a fixed date.
Most patients need a single session for hollow-type dark circles, with an optional refinement about two weeks later if a touch more is needed. Stacking sessions is uncommon. Because it is usually one visit, the plan fits a short trip and any later top-up is scheduled separately once the result settles.
Yes, filler pairs well with a skin-quality booster when thin skin or dullness adds to the shadow, addressing volume and texture together. Many patients combine tear-trough filler with a Rejuran Healer course. Your doctor sequences them so each works without over-treating the delicate under-eye area.
Common effects are temporary bruising, swelling, tenderness or slight lumpiness that settle within days to a couple of weeks. Rarely, a bluish tint or fluid retention can occur if gel sits too superficially, which conservative, deep placement helps prevent. Choosing experienced injectors reduces risk, and any concern can be reviewed and adjusted.
Filler is non-surgical, adjustable and lasts about 9 to 18 months, camouflaging a hollow rather than removing fat, so there is no cutting or long recovery. Lower-eyelid surgery is a permanent structural change with more downtime. For many hollow-type cases, filler is a lower-commitment first step your doctor can discuss.
Yes, Reberry Clinic serves international patients with English-speaking support across three Seoul-area locations, including one near Incheon Airport. You can be assessed and treated on your trip and supported afterward from abroad. Message us on WhatsApp to plan a visit and get a personalized dark-circle plan.
Because it is an outpatient treatment, a 1 to 2 day visit covers the consultation and session, though a few buffer days let any bruising settle before events. There is no multi-day course required. Our team schedules it around your itinerary and provides your plan during the consultation beforehand.
Yes, most patients fly soon afterward, though waiting a day or two lets swelling and any bruise settle so you travel comfortably. Cabin pressure does not affect the gel itself. You receive a written aftercare plan so you can follow up on your filler result from abroad if needed.
Most patients wait until the result begins to fade, usually around 9 to 18 months, rather than topping up too early. A minor refinement can be done about two weeks after the first session if needed. Your doctor tracks how your body metabolizes the gel to time the next visit sensibly.
| Tear-Trough HA Filler | Skin Booster (e.g. Rejuran) | Energy Lifting | |
|---|---|---|---|
| Mechanism | Soft HA gel fills the hollow directly | Polynucleotide improves skin quality | Ultrasound or RF firms lax skin |
| Best for | Hollow-type dark circles and shadow | Thin, dull or crepey under-eye skin | Mild laxity contributing to shadow |
| Result timeline | Immediate once swelling settles | Gradual over several sessions | Builds over weeks to months |
| How long it lasts | About 9 to 18 months | Months per course; needs repeating | Months to a year-plus, area-dependent |
| Pain / comfort | Mild, with numbing and lidocaine | Mild, multiple tiny injections | Generally comfortable |
| Downtime | Possible bruising for days | Little; tiny marks | Little to none |
| Sessions | Often a single session | Usually a short course | Often a single session |
| Cost context | Consultation-led; depends on gel and volume | Consultation-led; depends on sessions | Consultation-led; depends on area |
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