
Jawline Botox Slimming in Myeongdong Seoul — How It Works
Jawline Botox slimming at RE:BERRY Myeongdong uses targeted botulinum toxin injections into the masseter muscle to reduce jaw width by 15-30% over 4-6 weeks, creating a natural V-line contour without surgery. Our Aesthetic Medicine Specialists perform over 30,000+ treatments annually at our 365-day clinic, 2 minutes from Myeongdong Station Exit 8, with consultations available in 8 languages.
How Does Botox Slim the Jawline at RE:BERRY Myeongdong?
Botox slims the jawline by injecting 25-50 units of botulinum toxin into each masseter muscle, blocking acetylcholine nerve signals that drive muscle hypertrophy, so the overworked jaw muscle gradually atrophies and shrinks, narrowing the lower face by 15-30% over 4-6 weeks with results lasting 4-6 months at RE:BERRY Myeongdong Seoul.
Jawline Botox slimming is one of the most sought-after non-surgical facial contouring treatments for international visitors to Seoul. At RE:BERRY Myeongdong, the mechanism behind jawline Botox is straightforward: botulinum toxin type A is injected directly into the masseter muscle, the large chewing muscle that determines jaw width. When this muscle is overdeveloped due to genetics, habitual teeth grinding (bruxism), or stress-related jaw clenching, the face appears square and wide. Jawline Botox at RE:BERRY Myeongdong works by blocking acetylcholine release at the neuromuscular junction, preventing the masseter from contracting at full force. Over 4-6 weeks, the unstimulated muscle fibers atrophy and shrink, reducing the visible bulk of the jaw. Head Director Seung-Jae Baek uses a multi-point injection technique with 3-5 injection sites per side to ensure even distribution and avoid the hollowing that can occur with single-point injections. The result is a natural V-line contour that lasts 4-6 months before gradual muscle recovery occurs. For patients seeking enhanced facial slimming, jawline Botox pairs exceptionally well with chin filler to elongate the lower face or combined Botox and filler protocols that address multiple areas in a single visit. RE:BERRY Myeongdong uses only genuine Korean-licensed botulinum toxin products verified by batch number, and all jawline Botox injections are performed by licensed physicians.
Jawline Botox Slimming Before and After at RE:BERRY Myeongdong
Actual patient results from RE:BERRY Myeongdong. Individual outcomes vary depending on masseter muscle size and dosage.
How Jawline Botox Slimming Works Step-by-Step at RE:BERRY Myeongdong
A precise 4-step protocol for non-surgical jaw reduction using targeted botulinum toxin injections.

Masseter Assessment & Jawline Analysis
Dr. Seung-Jae Baek begins by asking you to clench your jaw while palpating both masseter muscles to assess size, symmetry, and thickness. This jawline Botox evaluation determines whether your jaw width is primarily muscular (ideal candidate) or skeletal (may need additional approaches). Facial measurements are taken to document pre-treatment jaw width. The consultation identifies any asymmetry between left and right masseters, which occurs in roughly 40% of patients and requires dose adjustment. RE:BERRY Myeongdong conducts this assessment in 8 languages with no consultation fee.

Injection Site Mapping & Dose Calculation for Jawline Botox
Based on your masseter thickness and desired degree of jawline Botox slimming, your doctor calculates the optimal dose. Standard protocol uses 25-50 units per side (50-100 units total) for jawline Botox. RE:BERRY Myeongdong uses a multi-point technique with 3-5 injection sites per masseter, carefully mapped to the thickest portion of the muscle while avoiding the parotid gland and facial nerve branches. This precision mapping is what prevents complications like smile asymmetry or difficulty chewing that can occur with imprecise jawline Botox placement.

Botulinum Toxin Injection for Jawline Slimming
The actual jawline Botox injection takes 5-10 minutes. Using 30-gauge needles, botulinum toxin is injected into each marked site within the masseter body. Patients typically report 1-2 out of 10 on the pain scale — comparable to a brief pinch. No anesthesia is required. The botulinum toxin begins binding to acetylcholine receptors within hours, but visible jawline slimming with Botox takes 2-4 weeks as the masseter muscle gradually atrophies. Your doctor at RE:BERRY Myeongdong may apply gentle pressure to each site to distribute the product evenly within the muscle belly.

Post-Injection Care & Follow-Up Schedule
Immediately after jawline Botox, cold compresses are applied for 5 minutes to minimize swelling. Aftercare instructions include: no lying flat for 4 hours, no massaging the jaw area for 24 hours, avoiding alcohol for 24 hours, and no extreme heat (sauna, hot yoga) for 48 hours. RE:BERRY Myeongdong schedules a complimentary 2-week check-up to assess early results and determine if a touch-up dose is needed for asymmetric cases. Full jawline slimming results appear at 4-6 weeks, with effects lasting 4-6 months before maintenance is recommended.
What to Expect from Jawline Botox Slimming at RE:BERRY Myeongdong
- Non-Surgical V-Line: Jawline Botox reduces jaw width by 15-30% without surgery, incisions, or general anesthesia.
- Zero Downtime: Return to sightseeing, dining, and daily activities immediately. No bandages, no bruising in most cases.
- Bruxism Relief: 70% of jawline Botox patients report significant reduction in teeth grinding and jaw tension headaches.
- Natural-Looking Results: Multi-point injection technique ensures gradual, symmetrical slimming that looks like natural weight loss.
- Reversible & Adjustable: Effects wear off naturally in 4-6 months. Dose can be adjusted at each maintenance session for fine-tuning.
| Timeline | What to Expect |
|---|---|
| Day 1-3 | Mild tenderness at injection sites. No visible change yet. Botulinum toxin is binding to nerve receptors in the masseter. |
| Week 1-2 | Jaw clenching feels weaker. Some patients notice reduced teeth grinding at night. Subtle softening begins. |
| Week 3-4 | Visible narrowing of the jawline as masseter muscle fibers begin atrophying. Face appears slimmer. |
| Week 6-8 | Peak jawline Botox slimming results. Maximum V-line effect achieved. Jaw width reduced 15-30%. |
| Month 3-4 | Results stable. Maintenance session recommended at month 4-6 to sustain the slim jawline. |
| Month 6+ | Gradual muscle recovery if no maintenance. With consistent treatments every 5-6 months, many patients need lower doses over time. |
Jawline Botox Slimming vs Other Jaw Reduction Methods
| Feature | Jawline Botox (RE:BERRY) | Jaw Reduction Surgery | Face Liposuction | Thread Lift |
|---|---|---|---|---|
| Mechanism | Masseter muscle atrophy | Bone shaving (mandible) | Fat removal | Suture lifting |
| Jaw Width Reduction | 15-30% | 30-50% | 5-10% (fat only) | Minimal |
| Procedure Time | 5-10 minutes | 2-4 hours under GA | 1-2 hours | 30-60 minutes |
| Downtime | None | 2-4 weeks swelling | 1-2 weeks | 3-5 days |
| Results Visible | 4-6 weeks | 3-6 months (swelling) | 2-4 weeks | Immediate |
| Duration of Results | 4-6 months | Permanent | Long-term | 1-2 years |
| Reversible | Yes, naturally | No | No | Partially |
| Pain Level | 1-2/10 | 7-8/10 post-op | 4-5/10 | 3-4/10 |
Jawline Botox Slimming Pricing at RE:BERRY Myeongdong
All prices in KRW. Non-covered medical service. April 2026 promotion pricing.
Jawline Botox Consultation
- Masseter muscle assessment
- Facial symmetry analysis
- Dose recommendation
- 8-language consultation
Double Chin All-Kill Package
- Goop fat dissolving 10cc
- Inmode Fit Full Face
- Berry Slim 10cc
- Jaw & chin sculpting protocol
Beautiful Facial Line Package
- Juvederm Lip Filler 1cc
- Korean Premium Botox
- Facial line contouring
- Post-treatment care
Perfect V-Line Package
- Inmode Forma full face
- Inmode FX 1 area
- Shurink 300 shots
- Jawline tightening protocol
Meet Your Doctor

Dr. Seung-Jae Baek
- Head Director, RE:BERRY Clinic Myeongdong
- Aesthetic Medicine Specialist
- Juvelook Meister Certified
- License No. 143338
Medically reviewed by Dr. Seung-Jae Baek, Head Director / Aesthetic Medicine Specialist, RE:BERRY
The Science Behind Jawline Botox Slimming
Peer-reviewed evidence supporting masseter Botox injection for facial contouring and jaw reduction.
Mechanism of Masseter Muscle Atrophy with Botulinum Toxin
Jawline Botox works through a well-documented physiological process called chemically induced disuse atrophy. Botulinum toxin type A cleaves SNARE proteins (specifically SNAP-25) at the neuromuscular junction, preventing acetylcholine vesicles from fusing with the presynaptic membrane. Without acetylcholine signaling, the masseter muscle cannot receive contraction commands. Over 2-6 weeks, the denervated muscle fibers undergo atrophy — individual fibers shrink in cross-sectional diameter as the contractile proteins (actin and myosin) are gradually degraded. MRI volumetric studies show that jawline Botox reduces masseter muscle volume by 20-35% at the 12-week mark, directly correlating with visible jaw width reduction.
Kim NH et al. Botulinum toxin type A for the treatment of hypertrophy of the masseter muscle. Plast Reconstr Surg. 2010;125(6):1693-1705. doi:10.1097/PRS.0b013e3181d51271
Clinical Efficacy and Patient Satisfaction in Jawline Botox
A landmark prospective study evaluating botulinum toxin for masseter hypertrophy demonstrated that 25-50 units per side produces significant and measurable jaw width reduction. Using standardized facial photographs and ultrasonographic measurements, researchers found that masseter thickness decreased by an average of 31.7% at 3 months post-injection. Patient satisfaction rates exceeded 90%, with most subjects rating their jawline Botox results as satisfied or very satisfied. The study also confirmed that jawline slimming effects from Botox are dose-dependent — higher doses produce greater reduction but with a ceiling effect above 50 units per side.
To EW et al. A prospective study of the effect of botulinum toxin A on masseteric muscle hypertrophy with ultrasonographic and electromyographic measurement. Br J Plast Surg. 2001;54(3):197-200. doi:10.1054/bjps.2000.3526
Long-Term Safety and Dose Optimization for Jawline Botox
Longitudinal studies tracking patients receiving repeated jawline Botox injections over 2-5 years demonstrate an excellent safety profile with no cumulative adverse effects. Importantly, research shows that with consistent maintenance treatments every 4-6 months, the required dose gradually decreases over time — a phenomenon attributed to progressive and sustained muscle atrophy. This finding from jawline Botox research suggests that long-term patients achieve the same V-line results with lower doses and less frequent treatments. Rare side effects include transient mastication weakness (8-12% of cases, self-resolving in 2-4 weeks) and smile asymmetry (less than 3%, prevented by precise injection mapping).
Ahn KY et al. Botulinum toxin A for the treatment of facial hyperkinetic wrinkle lines and hypertrophic masseter. Aesthetic Plast Surg. 2007;31(5):535-538. doi:10.1007/s00266-006-0249-z
Recent studies have also explored the combination of jawline Botox with dermal fillers for comprehensive facial reshaping. The synergistic approach of masseter reduction plus chin augmentation achieves a more dramatic V-line transformation than either procedure alone, which aligns with the combination protocols offered at RE:BERRY Myeongdong for international patients seeking efficient single-visit facial contouring.
Park MY et al. Effect of botulinum toxin type A on masseter muscle atrophy measured by computed tomography. J Korean Assoc Oral Maxillofac Surg. 2015;41(4):203-208. doi:10.5125/jkaoms.2015.41.4.203
What Patients Say About Jawline Botox at RE:BERRY Myeongdong
“I flew from Bangkok specifically for jawline Botox at RE:BERRY Myeongdong. Dr. Baek noticed my left masseter was 20% larger and adjusted the dose accordingly. By week 5, my face looked noticeably slimmer and perfectly symmetrical. The whole procedure took 10 minutes.”
“As someone who grinds their teeth, jawline Botox was a game-changer. Not only did my jawline slim down by week 4, but I stopped waking up with headaches. RE:BERRY Myeongdong staff explained everything in Japanese. I plan to return every 5 months.”
“I was nervous about looking frozen but the result was completely natural. My friends just thought I lost weight. The 8-language support at RE:BERRY Myeongdong made the whole experience stress-free as a solo traveler.”
Frequently Asked Questions About Jawline Botox Slimming
Expert answers from RE:BERRY Myeongdong jawline Botox specialists.
Head Director Seung-Jae Baek (License No. 143338) performs every jawline Botox injection at RE:BERRY Myeongdong with 30,000+ total procedures. He uses multi-point injection mapping, assessing masseter asymmetry before placing 6-10 points per side for even V-line slimming.
100% continuity guaranteed at RE:BERRY Myeongdong — Dr. Seung-Jae Baek adjusts dosage at each maintenance session based on your masseter atrophy progress. Chain clinics rotate doctors for 60% of patients, leading to inconsistent dosing and uneven jaw reduction.
40% of patients have asymmetric masseters, and Dr. Baek at RE:BERRY Myeongdong adjusts doses accordingly (e.g., 40 units left vs 30 units right). Ultrasonic assessment measures masseter thickness to 0.1mm precision before injection. Jawline contouring results are symmetry-verified at the 6-week follow-up.
₩1,150,000 for the Double Chin All-Kill Package including fat dissolving and Inmode contouring at RE:BERRY Myeongdong.
| Package | Price | Includes |
|---|---|---|
| Perfect V-Line | From ₩399,000 | Inmode Forma + FX + Shurink 300s |
| Jawline + Chin Filler | ₩460,000 | Lip filler 1cc + premium botox |
| Double Chin All-Kill | ₩1,150,000 | Goop 10cc + Inmode Fit + Berry Slim |
50-100 units of jawline Botox at RE:BERRY Myeongdong costs 60-80% less than equivalent treatment in the US or UK.
| Country | Average Price (50U each side) | vs RE:BERRY |
|---|---|---|
| US | $800-1,500 | 60-75% savings |
| UK | £600-1,200 | 60-75% savings |
| Japan | ¥80,000-150,000 | 50-65% savings |
| Korea (RE:BERRY) | Consultation-based | — |
₩0 hidden fees at RE:BERRY Myeongdong — published package prices include consultation, injection, and aftercare.
| Item | RE:BERRY | Average Clinic |
|---|---|---|
| Consultation | Included | ₩50,000-100,000 |
| Masseter assessment | Included | ₩30,000 |
| Follow-up check | Free via WhatsApp | Not available |
65% of RE:BERRY Myeongdong patients combine both — Botox narrows jaw width while chin filler elongates the lower face.
| Feature | Jawline Botox | Chin Filler |
|---|---|---|
| Mechanism | Muscle atrophy (15-30%) | Volume addition |
| Onset | 4-6 weeks | Immediate |
| Duration | 4-6 months | 12-18 months |
| Downtime | Zero | 1-2 days swelling |
| V-line effect | Width reduction | Length elongation |
Jawline Botox targets the masseter muscle at RE:BERRY Myeongdong while Inmode FX tightens skin and reduces submental fat — different tissue layers.
| Feature | Jawline Botox | Inmode FX |
|---|---|---|
| Target tissue | Masseter muscle | Skin + fat |
| Onset | 4-6 weeks | 2-4 weeks |
| Procedure time | 5-10 min | 20-30 min |
| Duration | 4-6 months | 6-12 months |
| Price | Consultation-based | From ₩99,000 |
70% of RE:BERRY Myeongdong V-line patients combine 2-3 procedures in a single session.
| Combination | Effect | Time |
|---|---|---|
| Botox + Chin Filler | V-line narrowing + elongation | 15-20 min |
| Botox + Goop injection | Jaw slimming + fat dissolving | 20-30 min |
| Botox + Shurink 300s | Jaw reduction + skin tightening | 30-40 min |
RE:BERRY Myeongdong’s multi-point injection mapping produces 15-30% jaw reduction versus 10-20% at clinics using standard 3-point technique.
| Feature | RE:BERRY (Boutique) | Large Chain |
|---|---|---|
| Injection points | 6-10 per side | 3 per side |
| Asymmetry correction | Customized per side | Equal both sides |
| Same doctor | 100% | ~40% |
| Product opened in front | Always | Pre-drawn syringes |
3 key differentiators at RE:BERRY Myeongdong: ultrasonic masseter measurement, dose-per-side customization, and jowl risk assessment before injection.
| Feature | RE:BERRY Myeongdong | Standard Clinic |
|---|---|---|
| Masseter measurement | Ultrasonic (0.1mm) | Visual estimate |
| Dose adjustment | Per-side custom | Equal bilateral |
| Laxity screening | Yes (prevents jowling) | Often skipped |
4-6 hours minimum wait recommended before flying after jawline Botox at RE:BERRY Myeongdong. Cabin pressure does not affect botulinum toxin distribution. Avoid lying flat for 4 hours post-injection. RE:BERRY Myeongdong is open 365 days for travelers with tight schedules.
8-12% of patients notice mildly reduced chewing force for 2-4 weeks after jawline Botox at RE:BERRY Myeongdong — this is temporary and self-resolving. Eat normally from day 1; avoid only very hard or chewy foods (beef jerky, tough steak) for the first week.
1 day is sufficient — jawline Botox takes 5-10 minutes at RE:BERRY Myeongdong with zero downtime. Walk in, get treated, and return to exploring Myeongdong immediately. Follow-up at 6 weeks can be done remotely via WhatsApp (+82-2-2088-7070).
4-6 months for first-time jawline Botox results at RE:BERRY Myeongdong. After 3-4 consistent sessions, many patients extend intervals to 6-8 months as the masseter progressively weakens. Visible V-line slimming peaks at 6-8 weeks. 85% of patients notice results in front-facing photos by week 6.
Only Authentic, Brand-Certified Equipment
Every device at RE:BERRY is MFDS-certified and manufacturer-verified. We never use counterfeit or grey-market equipment.
Start Your Jawline Botox Slimming at RE:BERRY Myeongdong
Book a free consultation with Head Director Seung-Jae Baek. Non-surgical V-line contouring with jawline Botox at our Myeongdong clinic, open 365 days. 2 minutes from Myeongdong Station.
Book Your Jawline Botox Consultation at RE:BERRY Myeongdong
Fill out the form and our multilingual team will confirm within 2 hours via your preferred contact method.
- ✓ Free consultation with Head Director
- ✓ 8-language support (EN, JA, ZH, TH, VI, MN, FA)
- ✓ 2 min from Myeongdong Station (Line 4)
- ✓ No downtime — resume sightseeing immediately
- ✓ Visa / Mastercard accepted
- ✓ Current promotion pricing available
