Gangnam
Dr. Yoongon Ryu
Aesthetic Medicine Specialist
Flagship clinic · KOL for leading lifting & regenerative devices
Botulinum toxin type A relaxes the masseter and platysma to slim and refine the lower face, with results that typically last 4 to 6 months.
Jawline botox in Seoul uses botulinum toxin type A to slim and define the lower face, mainly by relaxing the masseter at the jaw angle and, when needed, the platysma bands that pull the jawline down. The treatment takes about 10 to 20 minutes, contour changes develop over 4 to 8 weeks, and effects usually last 4 to 6 months.
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Jawline botox is the use of botulinum toxin type A, a purified neuromodulator, to refine the contour of the lower face. It most often targets the masseter muscle at the jaw angle to slim a square or wide jaw, and can also address the platysma, a sheet-like neck muscle whose bands pull down on the jawline and blur its definition with age. Relaxing these muscles produces a smoother, more defined lower-face line.
At Reberry Clinic, treatment is consultation-led. The clinic’s doctors assess your bone structure, masseter bulk, platysma banding, and skin laxity to decide which muscles to treat and at what dose. Jawline definition often comes from a combination of muscle relaxation and, where appropriate, complementary treatments rather than botox alone.
International patients seeking a sharper, slimmer jawline are supported in English across our three Seoul-area locations (Gangnam, Myeongdong, Incheon Airport).
Botulinum toxin type A is a neuromodulator that temporarily blocks the release of acetylcholine at the neuromuscular junction, the chemical signal that tells a muscle to contract. For the jawline, measured doses relax the masseter so a bulky jaw angle slims over weeks, and small doses along the platysma bands release the downward pull on the lower face, allowing the jawline to look smoother and more lifted. The effect is reversible: as nerve terminals regenerate over several months, muscle activity returns, so maintenance sessions keep the contour refined.
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The doctor maps masseter bulk and platysma banding to plan placement across roughly 4 to 12 injection points.
Measured doses of botulinum toxin type A are injected into the masseter and, if needed, platysma over about 10 to 20 minutes.
The toxin blocks acetylcholine release, so the treated muscles contract less within 3 to 7 days.
The masseter slims over 4 to 8 weeks and platysma pull eases, sharpening the jawline gradually.
Activity returns over 4 to 6 months as nerve signalling recovers, so maintenance sessions sustain the contour.
See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.
The clinic’s doctors assess your jaw structure, masseter bulk, and platysma banding, planning dose and placement in English.
The injections take about 10 to 20 minutes; ice or topical numbing keeps the visit comfortable.
You can usually return to normal activities right away, avoiding rubbing the area for a few hours.
Muscle pull eases within 1 to 2 weeks, while visible contour refinement develops over 4 to 8 weeks.
Results last about 4 to 6 months; repeat sessions maintain the slimmer, more defined jawline.
Jawline botox is the injection of botulinum toxin type A to slim and define the lower face, mainly by relaxing the masseter and, when needed, the platysma bands. With less muscle activity, the jaw contour sharpens. Changes develop over 4 to 8 weeks and typically last 4 to 6 months before a repeat session.
Jawline botox usually lasts about 4 to 6 months, after which muscle activity returns and the contour gradually softens. With consistent maintenance, some patients find slimming holds longer. Dosing is individualised on our botox injection page, and most schedule two to three sessions a year.
Muscle pull eases within 3 to 7 days, but visible contour change takes longer, developing over 4 to 8 weeks as the masseter slims and platysma relaxes. Peak definition usually appears around 8 to 12 weeks. Because the change is gradual, the result looks natural rather than abrupt, which most patients prefer.
Discomfort is minimal, described as brief pinprick sensations during the small injections along the jaw and neck. The needles are very fine, and ice or topical numbing can be used for sensitive patients. The whole process takes about 10 to 20 minutes, and any stinging fades almost immediately after each injection point.
Downtime is minimal, and most patients return to daily activities right away. You may see tiny red marks or, rarely, a small bruise that settles within a few days. Avoid rubbing the treated area and vigorous exercise for several hours so the product settles where intended along the jawline.
Jawline botox refines the contour by relaxing muscles, but it does not tighten loose skin. If laxity is the main concern, energy-based skin tightening or other treatments suit better, often alongside botox. Your doctor assesses whether muscle, skin, or structure drives your jawline shape, then recommends the right combination during the consultation.
Adults with a square jaw from masseter bulk or platysma bands pulling the jawline down are ideal candidates. If a weak jaw edge or loose skin is the main issue, other treatments may suit better. A consultation confirms the cause. Explore related options on our botox injection page.
Jawline dosing is individualised, combining masseter units per side with smaller amounts along platysma bands where needed, across roughly 4 to 12 points. Your doctor sets the exact dose after assessing muscle bulk and banding. You can read about treatment planning on our botox injection page.
Yes, many patients combine jawline botox with hyaluronic acid filler: botox slims bulky muscle while filler adds definition where the jaw edge is weak or recessed. Your doctor sequences these in one balanced plan. To understand volume-based contouring, see our injectable fillers page and how the two approaches differ.
Yes, when dosed conservatively the aim is a smoother, slimmer contour rather than an obviously altered face. The masseter is only partly relaxed and platysma doses are small, so expression and chewing stay comfortable. The clinic’s doctors tailor the dose to your anatomy so the jawline looks refined and balanced, not over-treated.
Common effects are brief redness, tiny bruises, or mild tenderness along the jaw and neck that resolve within days. Less commonly, temporary chewing fatigue or slight asymmetry can occur, settling as the dose balances. Serious reactions are rare with proper technique. Share your full medical history to reduce any risk beforehand.
Botulinum toxin type A has a long, well-documented safety record for lower-face and neck contouring when administered by trained doctors at appropriate doses. Effects are temporary as the body restores nerve signalling over months. Choosing an experienced clinic and precise, anatomy-aware dosing matters far more than chasing the sharpest possible contour.
Aftercare is simple: stay upright for about 4 hours, avoid rubbing or massaging the jaw and neck, and skip strenuous exercise, saunas, and alcohol that day. Pairing with a gentle skin care routine supports the skin. Your doctor provides written guidance to follow once you leave the clinic.
Jawline botox needs very little time, so even a 1 to 2 day visit works for consultation and treatment. Because there is minimal downtime, you can sightsee the same day, though the contour change itself develops over the following weeks at home. Our English-speaking team helps fit the appointment into a short trip.
Yes, you can fly the same day, since the treatment is quick and non-invasive. Try to stay upright during the first few hours rather than reclining immediately, and avoid rubbing the treated area. Cabin pressure does not affect the result, so air travel after jawline botox is generally not a concern for visitors.
International patients can have remote check-ins in English about four weeks after treatment, once the contour is developing, to review the result and plan repeat sessions around future trips. You can also arrange complementary care such as skin care when you return. Your dosing notes are kept on file for consistency.
| Botulinum Toxin Type A | Hyaluronic Acid Filler | Energy-Based Skin Tightening | |
|---|---|---|---|
| Mechanism | Relaxes masseter and platysma muscles | Adds volume to define the jaw edge | Heats dermis to firm and lift skin |
| Best for | Square jaw and downward muscle pull | Weak or undefined jaw structure | Skin laxity along the jawline |
| Pain / comfort | Brief pinprick sensations | Mild pressure, often with numbing | Warmth during treatment |
| Downtime | Minimal, occasional tiny bruise | Possible swelling or bruising for days | Minimal |
| Results timeline | Contour over 4 to 8 weeks | Immediate definition | Builds over weeks to months |
| Longevity | About 4 to 6 months | Several months to a year | Around a year, varies |
| Sessions | Repeated every 4 to 6 months | Periodic top-ups | Usually 1, with maintenance |
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