For the first few days after filler, swelling, mild tenderness, firmness under the skin and even small bumps you can feel are common, and many of them settle on their own over about two weeks. A clinic does not judge the result on day one, because what you see on day one is filler plus swelling. Some signs should not wait for that two-week mark, though. Skin that turns pale, grey or blotchy, pain that keeps getting worse instead of easing, spreading redness with heat, or any change in your vision should go to the clinic right away. This guide covers what the days usually look like, how clinics separate “expected” from “please tell us now”, and how to take a photo that actually helps someone assess you from a distance. It explains what clinics generally look for. It cannot diagnose you, and everyone heals differently.
What does the first day after filler usually look like?
On the first day the treated area usually looks fuller than the final result, feels tender to touch, and may show needle marks or small spots of bruising. Hyaluronic acid filler draws in some water, and the injection itself causes a little local inflammation, so the area often looks “overdone” for a while.
What is commonly reported on day one:
- Swelling that can be uneven. Lips and under-eyes often swell more noticeably than the chin or nose.
- Tenderness when you press, smile widely or chew.
- Firmness that feels different from the skin around it.
- Small bruises at injection points, sometimes showing up hours later.
- Numbness fading if a numbing cream or anesthetic was used.
None of this tells you what the final shape will be. It is the reason many clinics, MIO included, suggest scheduling filler early in a trip rather than the day before you fly. On MIO’s published menu, every filler line is marked as a first-day treatment for a trip, and most filler areas are marked as needing numbing. If you are still planning your dates, why filler goes on the first day of a Seoul trip covers that in more detail.
How does swelling usually change between day 2 and day 7?
Swelling often peaks around day 2 or 3 and then eases gradually through the first week, but the pace varies a lot from person to person and from area to area.
A rough pattern, not a promise:
- Day 2–3: Often the puffiest point, especially after sleeping. Lips may feel tight. Under-eye areas may look puffy in the morning and better by afternoon.
- Day 4–5: Most people notice the swelling coming down. Bruises may shift from purple to green or yellow.
- Day 6–7: The area often looks closer to its intended shape, though it may still be slightly fuller or firmer than it will end up.
Things that commonly make swelling look worse for a while: salty meals, alcohol, a long flight, hot showers, saunas and hard exercise. If you plan to work out or visit a jjimjilbang during your trip, the timing questions are covered in exercise, sauna and jjimjilbang after a treatment.
Swelling that is getting better day by day is the reassuring direction. Swelling that is getting worse after day 3, especially with rising pain or heat, is something to report.
Is a firm spot or a small lump normal after filler?
Often, yes. In the first one to two weeks, filler can feel firmer than the surrounding tissue, and you may feel small beads or ridges, especially in thin-skinned areas like the lips or under the eyes. Many of these soften as the filler settles and swelling resolves.
What clinics usually treat as expected in this window:
- A firm area you can feel but that doesn’t hurt more over time.
- Small, soft, painless bumps that look the same or smaller from one day to the next.
- Slight unevenness between two sides while swelling is still uneven.
What clinics usually want to hear about:
- A lump that is growing, painful, hot or red.
- A bump that is clearly visible at rest, not just when you press or smile, and isn’t shrinking after the first week.
- A bluish tint under thin skin (most often under the eyes) that stays after the bruising has gone.
- Anything that appears weeks later in an area that had calmed down.
Do not massage or press on a lump unless the clinic has told you to. Massage helps in some situations and makes things worse in others, and the person who placed the filler is the one who knows which applies to you.
If a lump really does need correcting later, hyaluronic acid filler can usually be dissolved with an enzyme, hyaluronidase. MIO lists Hyaluronidase (Mio Clinic) at KRW 50,000 (about USD 36) and Hyaluronidase (other), for filler placed elsewhere, at KRW 100,000 (about USD 72). Both prices are as published at the time of writing and exclude VAT. Whether dissolving makes sense, and when, is decided by a doctor after looking at you. What dissolving costs and how long to wait goes into it further.
Which signs should not wait for the two-week mark?
Some changes after filler need prompt attention, the same day and not after a few days of watching. Any licensed clinic will tell you to report these immediately:
- Skin that turns pale, white, grey, dusky or blotchy in or near the treated area, especially if it comes with pain.
- Pain that gets stronger instead of easing, or pain out of proportion to the small amount of tenderness you expected.
- Any change in vision, eye pain or drooping after filler anywhere on the face.
- Spreading redness, heat, fever or discharge, which can be signs of infection and may appear days later.
- Trouble breathing, or swelling of the face and throat: this is an emergency, and you should seek emergency care first.
For these, don’t wait for a photo reply. Message and call the clinic, and if you can’t reach them quickly, get local medical care. You don’t need to know what is causing it. You only need to know that this kind of change gets reported straight away.
When should you send the clinic a photo, and how?
Send a photo whenever something worries you and doesn’t fit “getting a little better each day”: a lump that is growing or tender, asymmetry that is increasing rather than evening out, colour that looks wrong, or swelling that is worse after day 3. A good photo lets the clinic compare you with how you looked before treatment. A poor photo just causes back-and-forth messages.
How to take one that helps:
- Natural daylight, facing a window. No flash, no overhead bathroom light casting shadows.
- No filters, no beauty mode, no makeup on the area.
- Three angles: straight on, and roughly 45 degrees to each side. Add a close-up if there’s a specific spot.
- Relaxed face, then the movement that shows the problem (smiling for lips or cheeks, for example).
- Same distance each time, so day 3 and day 6 can be compared.
- A short note with it: which day after treatment it is, whether it hurts, whether it’s getting better or worse, and anything you’ve taken or done.
Many clinics take “before” photos at consultation, and those are the comparison point. If you’re travelling, ask for a copy before you leave. Your treatment records and before photos explains what to request.
MIO plans filler from detailed clinical photography and AI-assisted facial analysis. Having a measured record of your face before treatment is part of what makes a later photo meaningful. The doctor reviewing your follow-up photo can see how your face started, not just how it looks now.
Why is the result judged after settling, not on day one?
Because on day one you’re looking at filler plus swelling, and sometimes bruising. Both fade at their own pace. For hyaluronic acid filler, clinics commonly wait around two weeks before assessing shape and symmetry, and some areas or some people take longer. Judging earlier risks “fixing” something that was going to resolve anyway.
In practice that means:
- Asymmetry in the first week is often swelling, which is rarely even on both sides.
- “Too much” on day two is often fluid, not product.
- “Not enough” on day ten is worth raising, but a touch-up decision is normally made once the area has settled, not while it’s still changing.
This is also why the amount of filler for an area is set at consultation rather than fixed in advance. MIO prices filler per treatment area, and each area appears twice on the menu: an imported line (Juvéderm, Restylane or Belotero) and a Domestic line. For example, Lip Filler is KRW 349,000 (about USD 250) on the imported line and KRW 99,000 (about USD 70) on the Domestic line. Nose Filler is KRW 399,000 (about USD 290) imported and KRW 159,000 (about USD 115) Domestic. Under-Eye Filler (Belotero Soft) is KRW 349,000. All are as published at the time of writing, exclude VAT, and requesting a specific doctor adds KRW 100,000. Thin-skinned areas like lips and under-eyes are also where small bumps and visible firmness are most often noticed while things settle, so they deserve the most patience in the first two weeks. Filler by area compares how each area tends to sting and swell.
MIO’s doctors are experienced and each has a main area. Filler falls within the focus of the medical director, Jung Guhyun, and of Shin Seungyong. Both also see patients in English, which helps when you’re describing a lump over messages. At consultation, ask who handles follow-up questions if something comes up after you leave.
What if you’ve already flown home?
Swelling and settling don’t stop at the airport. A long flight, cabin air and a salty airline meal can make the area look puffier for a day. That’s common and usually passes.
Before you leave Seoul, it helps to settle three things:
- How to send photos after you’re home (MIO uses WhatsApp for English-language contact).
- What the clinic can and can’t do remotely. A photo review can tell you whether something looks expected, but some problems need an in-person examination.
- Where you would go locally if something urgent happened, so you aren’t searching at midnight.
If your schedule allows, a quick check before your flight is worth arranging. MIO is open on Sundays too, which makes a last look on the final day of a weekend trip easier to fit in. If something goes wrong after you leave Korea covers remote follow-up in more detail.
Who should be more cautious about filler on a short trip?
Filler isn’t a good fit for everyone, and a short trip adds its own constraints. Talk it through carefully at consultation if:
- You have a history of cold sores around the lips. Treatment can trigger one, and clinics may want to plan for that.
- You’re on blood thinners or supplements that increase bruising. Don’t stop prescribed medication on your own; tell the clinic.
- You have an active skin infection or inflammation in the area.
- You’re pregnant or breastfeeding.
- You’ve had filler or other implants in the same area before, especially if you don’t know what product was used.
- You’ll be flying home within a day or two and couldn’t respond to a problem in person.
A good consultation includes the clinic telling you when not to treat, or when to treat less.
FAQ
How long does swelling last after filler?
For many people the most visible swelling eases within the first week, and the area keeps settling for around two weeks. Lips and under-eyes often swell more and for longer than other areas. It varies from person to person.
Is it normal to feel a lump after lip filler?
Small, painless bumps or firm spots are commonly felt in the first week or two and often soften as swelling settles. Report a lump that is growing, painful, hot, red or clearly visible at rest, and don’t massage it unless the clinic tells you to.
When should I contact the clinic straight away?
Contact them at once for skin that turns pale, grey or blotchy, pain that keeps getting worse, any change in vision, or spreading redness with heat or fever. For breathing difficulty or throat swelling, seek emergency care first.
What should a photo for my clinic include?
Use natural daylight, no filter and no makeup. Take three angles (front and both sides at about 45 degrees), plus a close-up of the spot. Add a note with the day after treatment, whether it hurts, and whether it’s improving or worsening.
When is a filler result actually judged?
For hyaluronic acid filler, clinics commonly wait around two weeks, once swelling and bruising have faded, before judging shape and symmetry or discussing a touch-up.
Can a filler lump be dissolved if it doesn’t go away?
Hyaluronic acid filler can usually be dissolved with hyaluronidase. At MIO, the menu lists KRW 50,000 for filler placed at MIO and KRW 100,000 for filler from elsewhere, excluding VAT, as published at the time of writing. A doctor decides whether and when it makes sense.
Book at MIO Clinic, Gangnam
Seoul Skin Notes is the official journal of MIO Clinic, a skin & aesthetic clinic in Gangnam, Seoul. The MIO team handles consultations and bookings in English over WhatsApp — tell them what you are considering and they will walk you through your options.
MIO Clinic
2-3F, FINE TOWER, 372 Gangnam-daero, Gangnam-gu, Seoul
Gangnam Station, Exit 4 — 3-minute walk
Hours: Mon & Fri 10:00–21:00 · Tue–Thu & Sat 10:00–19:00 · Sun 10:00–19:00
Web：mioclinic.kr/en · Instagram：@mioclinic_global · Email：en-official@mioclinic.kr · Google Maps