Filler in Korea is mostly cross-linked hyaluronic acid gel, and the reactions afterward are fairly predictable: swelling, tenderness, redness and bruising usually settle within one to two weeks. A 2023 meta-analysis of 19 randomized trials found that swelling, lumps and firmness differed between treated areas of the face. Flying home the same day is generally possible, while photos and events need more room.
Clinics in Korea
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Guide
What trials record after a facial gel injection
Colon and colleagues pooled randomized trials of facial hyaluronic acid gels for a 2023 systematic review and meta-analysis in Cureus, keeping 19 trials after screening four databases. The reactions reported were swelling, pain, erythema (redness), bruising, lumps and bumps, firmness, tenderness, itching and skin discoloration.
Most fade without treatment over days to a couple of weeks. The authors still stress that rare severe complications cannot be dismissed, since some may be irreversible, and that risks and benefits should be explained before treatment.
Guide
Does the treated area change which reactions show up?
The review compared the nasolabial fold, the line from nose to mouth corner, with other sites: the midface, perioral lines and the lip region. Swelling, lumps and firmness differed significantly between the fold and that group; pain, redness, bruising, tenderness, itching and discoloration did not.
So the same gel family can recover differently on the folds and the cheeks; ask which reactions are typical for each area on your plan.
| Reaction | Differed by site in the 2023 analysis | What to watch |
|---|---|---|
| Swelling | Yes | Cold compresses and a raised pillow the first night |
| Lumps or bumps | Yes | Small ones often soften; a growing one needs review |
| Firmness | Yes | Usually eases as the gel settles into tissue |
| Bruising | No | Can last up to two weeks; keep event dates clear |
| Pain or tenderness | No | A mild ache is expected; sharp, rising pain needs a call |
| Redness, itching, discoloration | No | Report color change that spreads or darkens |
Guide
Chin gel and the side profile
The chin changes how a face reads in profile more than from the front, and a small forward projection balances the line from nose tip to chin point.
Ayyad and colleagues measured this on lateral cephalometric radiographs, the side X-rays used in orthodontics, in a 2023 prospective case series in Ain Shams Dental Journal. Ten adult women with mild chin deficiency received Restylane Defyne, a hyaluronic acid gel. X-rays before treatment, at two weeks and at six months showed a marked forward improvement of the soft-tissue chin, stable at six months.
Ten patients is a small group, and mild deficiency is the key detail: gel adds soft-tissue projection but does not move bone or correct a bite.
Guide
Matching the goal to the area
A sound plan starts from what bothers you, then picks injection points.
- Tired midface: volume over the cheekbone or front cheek, judged front and three-quarter.
- Deep nose-to-mouth line: often treated partly from the cheek above it.
- Receding chin: projection at the chin point, judged in profile.
- Hollow temples: a zone with important vessels, approached slowly with small amounts.
Guide
Judging the result with photos at fixed angles
Hotel mirrors are unreliable. Before treatment, take daylight photos from the front, both three-quarter angles and both profiles, then repeat the set at two weeks and one to two months from the same spot.
Profiles matter most for chin work, echoing the side X-rays of the 2023 study. Ask for copies of clinical photos as a baseline for any later korea filler visit.
Guide
Rare problems that need same-day action
Gel inside or pressing on a vessel is uncommon, yet it is why a consultation should spell out a plan. Pain far beyond what an injection should cause, a pale or dusky patch, or a blotchy, marbled color change points to reduced blood flow; any vision change right after a face injection is an emergency. The doctor dissolves hyaluronic acid gel with hyaluronidase, repeating if needed.
Late swelling or nodules can appear weeks later, so keep the product name, amount and areas in writing.
Evidence
Research behind this page
- Adverse Events Reported From Hyaluronic Acid Dermal Filler Injections to the Facial Region: A Systematic Review and Meta-AnalysisCureus · 2023 · doi:10.7759/cureus.38286
Pooling 19 randomized trials, the review found swelling, lumps and firmness differed between the nasolabial fold and other facial sites.
- Assessment of the Effect of Chin Augmentation with Hyaluronic Acid Filler on Facial Soft Tissues Using Lateral Cephalometric RadiographAin Shams Dental Journal · 2023 · doi:10.21608/asdj.2022.153700.1133
In ten women with mild chin deficiency, side X-rays showed a forward soft-tissue chin change that held at six months.
FAQ
Questions about Botox and fillers in Korea
How common is swelling after korea filler?
Swelling is an expected reaction after hyaluronic acid filler and usually settles within days to two weeks. The 2023 meta-analysis by Colon and colleagues in Cureus listed it among the reactions reported across 19 randomized trials and found its rate differed between the nasolabial fold and other areas such as the midface. Sleeping with the head raised and skipping alcohol and saunas for a day or two can help. Results vary from person to person.
Can chin gel replace a chin implant?
For a mild deficiency, gel can add soft-tissue projection without surgery, but it does not replace an implant or bone surgery for a larger difference. In a 2023 case series of ten women in Ain Shams Dental Journal, Ayyad and colleagues measured a forward shift of the soft-tissue chin on side X-rays that held at six months. Gel fades over time, and a doctor should say plainly if it is not the right tool.
How long does chin gel usually hold its shape?
Chin gel often holds for many months because the area moves less than the mouth, though timing varies with the product and the person. In the small 2023 radiograph study, the profile change measured at two weeks was still stable at six months; participants were not followed beyond that point. Firmer gels designed for structure are usually chosen for the chin. Repeat profile photos at a fixed angle let you see gradual change for yourself.
What photos should I take before filler in Seoul?
Take a front view, both three-quarter views and both side profiles in daylight, with a neutral face and hair pulled back. Use the same spot, distance and phone each time, and repeat the set at two weeks and around one to two months. Profiles are the key set for chin work and three-quarter views for the cheeks. These photos let you and any later doctor compare fairly, since swelling and lighting make memory unreliable.
What should a seoul filler clinic check before treating the face?
Before injecting, the doctor should review your goals, earlier fillers or implants, medicines or supplements that raise bruising, allergies and recent dental work or infection. They should look at the face from several angles, explain which areas need extra vessel caution and name the product. Seeing the sealed box opened is a reasonable request, and so is asking about the plan for a rare emergency.
Who should postpone gel injections for now?
People who are pregnant or breastfeeding, have an active infection or cold sore near the area, or have dental work planned within a couple of weeks are usually asked to wait. A history of severe allergy or unclear earlier fillers in the same zone also calls for a careful talk first. Anyone with an important photo or event inside two weeks should schedule around possible bruising. The doctor may suggest a smaller first plan or a later date instead.