Dermatology · Botox

Botox in Seoul: Wrinkle Smoothing and Jaw Slimming

Reviewed November 2026
Botox in Seoul
The short answer

Botulinum toxin (often called Botox) in Seoul relaxes chosen muscles to soften expression lines and slim areas such as the jaw, with treatment taking about 10 to 20 minutes. One area typically costs ₩30,000 to ₩200,000 with Korean toxin and about ₩150,000 to ₩500,000 with imported brands. Wrinkle results last about 3 to 4 months, and masseter slimming about 4 to 6 months.

Key facts
  • Treatment time: about 10–20 minutes
  • Typical cost: ₩30,000–₩200,000 per area (Korean toxin)
  • Imported toxin: about ₩150,000–₩500,000 per area
  • Onset: 3–7 days for wrinkles; 2–4 weeks for jaw slimming
  • Longevity: about 3–4 months; masseter 4–6 months
  • Downtime: none to minimal

How botulinum toxin works

Botulinum toxin is a purified protein that blocks the signal from a nerve to a muscle. The treated muscle relaxes for several months, so the lines it creates soften, or, in larger muscles like the masseter, the muscle gradually becomes smaller. The effect wears off as the nerve forms new connections, which is why treatment is repeated.

What it is used for in Seoul

Wrinkle reduction

  • Forehead lines and frown lines between the brows
  • Crow's feet beside the eyes
  • Bunny lines on the nose and a dimpled chin

Face and body contouring

  • Jaw slimming: relaxing the masseter for a narrower lower face, very popular in Korea.
  • Shoulder line: slimming the trapezius for a longer-looking neck.
  • Calves: reducing muscular calves.

Other uses

  • Micro-toxin ("skin botox") for finer pores and less oiliness
  • Excess sweating in the underarms
  • Gummy smile and down-turned mouth corners

Korean vs imported toxin

Korea makes several licensed botulinum toxin brands that are widely used and usually cheaper. Imported brands cost more. Both work by the same mechanism. Some patients prefer higher-purity products if they have treatments often, to lower the small chance of developing resistance. Always ask which brand and how many units are in your quote, because a cheap price sometimes reflects fewer units.

Cost in Seoul

Area Korean toxin (2026) Imported toxin (2026) Lasts about
Frown lines ₩30,000–₩100,000 ₩150,000–₩300,000 3–4 months
Forehead ₩50,000–₩150,000 ₩150,000–₩350,000 3–4 months
Crow's feet ₩50,000–₩150,000 ₩150,000–₩350,000 3–4 months
Masseter (jaw) ₩50,000–₩200,000 ₩200,000–₩500,000 4–6 months
Shoulders ₩150,000–₩400,000 ₩400,000–₩900,000 4–6 months

The treatment

The doctor asks you to frown, smile or clench so they can find the muscles. Tiny injections follow; most people describe a quick pinch. Numbing cream or ice may be used. You can usually return to sightseeing right away.

Natural results versus a frozen look

A common worry is looking expressionless. Korean clinics generally favour light dosing that softens lines while keeping movement, especially on the forehead, where too much toxin can drop the brows and make the eyes look heavy. If you have never had toxin before, ask for a conservative first dose and a two-week review, when a small top-up can be added. If you have had treatments elsewhere, share how many units you usually receive and how long they last, so the doctor can match or adjust your plan rather than starting from scratch.

Aftercare

  • Stay upright for about four hours and do not rub the area.
  • Skip saunas, heavy exercise and alcohol on the day.
  • Small bumps fade within an hour; minor bruising may last a few days.
  • Book a two-week check if you are staying, so any unevenness can be fine-tuned.

Risks

Side effects are usually mild: bruising, a brief headache or temporary asymmetry. If toxin spreads to a nearby muscle, you might have a heavy brow, droopy eyelid or a slightly changed smile for some weeks. Choosing an experienced injector who doses carefully keeps this risk low. Pregnant or breastfeeding patients and people with certain neuromuscular conditions should not be treated.

Making the most of a short trip

Toxin is ideal for visitors because it needs no recovery time. Wrinkle results begin within a week, so if you are in Seoul for at least ten days you can usually have a check before you fly. For jaw slimming, the effect develops after you get home, so ask the clinic to note the brand and units used for your next treatment.

For combined jaw plans, see jawline contouring injections. If your jaw width comes from bone rather than muscle, read about square jaw treatment. To compare clinics, our Botox clinics in Apgujeong guide is a useful start.

This guide is for general information and is not medical advice. Prices are typical ranges reported by Gangnam clinics in 2026 and vary by clinic, doctor and treatment plan; confirm directly with the clinic.

Patient questions

Frequently asked questions

When will I see results?

Wrinkle softening starts in 3 to 7 days and peaks at about two weeks. Jaw slimming takes 2 to 4 weeks or longer.

Is Korean botox as effective as imported brands?

Licensed Korean toxins work by the same mechanism. Differences in price mostly reflect brand, purity and clinic positioning.

How often should I repeat masseter botox?

Many people repeat every 4 to 6 months at first; with time some can space treatments further apart.

Can I fly right after botox?

Yes. Just avoid pressing on treated areas during the first few hours.

Not sure which Gangnam clinic is right for you?

Tell us your goals, budget and travel dates. Our English-speaking coordinators compare doctor-led clinics and usually reply with free quotes within 24 hours.