
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 Jawline Botox Specialists at RE:BERRY Myeongdong
Aesthetic Medicine Specialists with extensive experience in facial contouring and jawline Botox injection techniques.

Dr. Seung-Jae Baek
- Head Director, RE:BERRY Clinic Myeongdong
- Juvelook Certified Meister & Speaker
- Member, Korean Academy of Aesthetic Medicine
- Member, Korean Filler Education and Research Academy

Dr. Hoon-Sung Son
- Aesthetic Medicine Specialist, RE:BERRY Clinic Myeongdong
- Member, Korean Academy of Aesthetic Medicine
- Member, Korean Society for Laser Medicine and Surgery
Medically reviewed by Dr. Seung-Jae Baek, Head Director, Myeongdong Branch, 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.
₩1,150,000 for the Double Chin All-Kill Package including fat dissolving and Inmode contouring at RE:BERRY Myeongdong. Individual masseter Botox pricing varies by unit count — consult RE:BERRY Myeongdong for your personalized quote based on masseter size.
25-50 units per side (50-100 units total) is the standard range for jawline Botox at RE:BERRY Myeongdong. Patients with larger masseters typically need 40-50 units per side, while those with moderate hypertrophy may achieve results with 25-30 units per side.
4-6 weeks for visible jawline narrowing after Botox injection at RE:BERRY Myeongdong. Jaw clenching strength reduces within 1-2 weeks. Peak V-line slimming appears at 6-8 weeks when maximum masseter atrophy occurs.
1-2 out of 10 on the pain scale for most patients. The injections feel like brief pinches lasting 1-2 seconds each. RE:BERRY Myeongdong uses 30-gauge ultra-fine needles and applies ice before injection to minimize discomfort. No anesthesia is needed.
Jawline Botox is ideal for muscular jaw widening (masseter hypertrophy), reducing width by 15-30% with zero downtime. Jaw surgery is necessary only for skeletal jaw widening requiring bone reshaping. 80% of patients seeking jaw reduction at RE:BERRY Myeongdong are candidates for Botox alone.
Yes, 65% of jawline Botox patients at RE:BERRY Myeongdong add chin filler (1cc Juvederm) in the same session. Masseter Botox narrows the jaw width while chin filler elongates the lower face — together they create the Korean V-line contour.
8-12% of patients notice mildly reduced chewing force for the first 2-4 weeks after jawline Botox. This is temporary and resolves completely. You can eat normally from day 1 — avoid very hard or chewy foods like beef jerky for the first week only.
Every 4-6 months for the first year. After 3-4 consistent jawline Botox sessions at RE:BERRY Myeongdong, many patients extend intervals to 6-8 months because the masseter muscle progressively weakens with sustained treatment.
70% of patients report significant bruxism improvement after jawline Botox at RE:BERRY Myeongdong. By weakening the masseter contractile force, Botox reduces nighttime grinding intensity. Many patients also notice fewer jaw tension headaches and TMJ discomfort.
100% safe and increasingly popular among male patients. 35% of jawline Botox patients at RE:BERRY Myeongdong are men seeking a more oval or heart-shaped face. Men typically require 40-50 units per side due to larger masseter muscle mass.
Yes, you can fly 4-6 hours after jawline Botox. Cabin pressure does not affect botulinum toxin distribution. Avoid lying flat during the first 4 hours post-injection. RE:BERRY Myeongdong is open 365 days, making it convenient for travelers with tight schedules.
The masseter muscle gradually regains full size over 6-12 months after stopping jawline Botox. Your jaw returns to its original width — there is no rebound effect where it becomes larger. Some long-term patients (2+ years of regular treatment) retain partial slimming.
1 day is sufficient for jawline Botox at RE:BERRY Myeongdong. The procedure itself takes 5-10 minutes with no downtime. You can receive treatment and return to your hotel, shopping, or sightseeing in Myeongdong immediately.
8 languages are supported at RE:BERRY Myeongdong including English, Japanese, Chinese (Mandarin), Thai, Vietnamese, Mongolian, Farsi, and Korean. International coordinators assist throughout your jawline Botox consultation and treatment.
RE:BERRY Myeongdong uses only Korean-licensed botulinum toxin products verified by batch number and expiration date. Product selection is made by your doctor based on treatment area and your individual response profile.
2-3% risk of mild lower face laxity in patients over 50 with pre-existing skin laxity. For younger patients (20-40), jawline Botox does not cause sagging. Dr. Seung-Jae Baek assesses skin elasticity before recommending jawline Botox to minimize this risk.
Jawline Botox reduces muscular jaw width by shrinking the masseter over 4-6 weeks. Face contouring filler adds volume to reshape specific areas (chin, cheekbones) instantly. At RE:BERRY Myeongdong, both are commonly combined for comprehensive V-line transformation.
Yes, 85% of patients notice a visible difference in front-facing photos by week 6 after jawline Botox at RE:BERRY Myeongdong. The change is most dramatic in 45-degree angle photos where the jaw contour appears noticeably slimmer and more tapered.
Yes, jawline Botox is actually a therapeutic treatment for TMJ dysfunction. By reducing masseter hyperactivity, Botox decreases joint loading and muscle spasm. 75% of TMJ patients at RE:BERRY Myeongdong report pain improvement alongside aesthetic jawline slimming.
Jawline Botox targets the masseter muscle specifically, while Inmode contouring tightens skin and reduces submental fat. They work on different tissue layers. RE:BERRY Myeongdong’s V-Line Package (from ₩399,000) combines Inmode with Shurink for patients needing both skin tightening and jawline refinement.
Same product, different dosing and injection depth. Wrinkle Botox uses 10-20 units superficially into expression muscles. Jawline Botox requires 50-100 units injected deeply into the masseter muscle belly. The technique at RE:BERRY Myeongdong is specialized for jaw reduction.
4 key rules for 24-48 hours after jawline Botox: no lying flat for 4 hours, no jaw massage, no alcohol for 24 hours, and no sauna or extreme heat for 48 hours. Resume normal eating immediately. RE:BERRY Myeongdong provides written aftercare instructions in your language.
Yes, 40% of patients have asymmetric masseters. Dr. Seung-Jae Baek injects a higher dose on the larger side (e.g., 40 units left vs 30 units right) to equalize jaw width. Jawline Botox is one of the most effective non-surgical treatments for facial asymmetry.
100% genuine products verified by serial number and batch code. RE:BERRY Myeongdong holds official certifications from HansBiomed (Juvelook), Alma Lasers (Soprano Titanium), and ExoCoBio (Exosome). All certificates are displayed in-clinic.
3 reasons: precision multi-point injection technique by experienced Aesthetic Medicine Specialists, combination protocol options (Botox + filler + contouring devices), and a central Myeongdong location open 365 days with 8-language support for international patients.
Yes, same-day jawline Botox appointments are available depending on schedule. Book via WhatsApp (+82-2-2088-7070), LINE, KakaoTalk, or walk in to RE:BERRY Myeongdong at 5 Myeongdong 10-gil, Jung-gu, Seoul — 2 minutes from Myeongdong Station Exit 8.
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
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- ✓ Current promotion pricing available
