
Masseter Botox Jawline Slimming in Myeongdong Seoul
RE:BERRY Myeongdong delivers precision masseter botox for V-line jawline contouring using Korean premium botulinum toxin. Masseter botox in Myeongdong starts from just ₩29,000 for 50 units at our 365-day clinic, located 2 minutes from Myeongdong Station Exit 8, with full 8-language support for international visitors seeking non-surgical jaw reduction.
How Does Masseter Botox Work for Jawline Slimming in Myeongdong?
Masseter botox at RE:BERRY Myeongdong injects 50 units of Korean premium botulinum toxin into each masseter muscle to reduce jaw width by 15-30% over 4-8 weeks, creating a slimmer V-line facial contour starting from ₩29,000 per session with zero downtime.
Masseter botox in Myeongdong Seoul has become one of the most sought-after non-surgical facial contouring procedures for both Korean residents and international medical tourists. At RE:BERRY Myeongdong, masseter botox works by injecting precise doses of botulinum toxin type A into the masseter muscles, the large jaw-clenching muscles on each side of the face. Over 4-8 weeks, the toxin blocks acetylcholine release at the neuromuscular junction, causing controlled muscle atrophy that reduces jaw width by 15-30%. Head Director Seung-Jae Baek uses a multi-point injection technique with 3-5 injection sites per side for even distribution and natural-looking jawline slimming. Unlike surgical jaw reduction that requires general anesthesia and weeks of recovery, masseter botox at RE:BERRY Myeongdong takes just 10-15 minutes with immediate return to daily activities. The procedure also provides therapeutic relief for patients suffering from bruxism (teeth grinding) and TMJ-related jaw pain, making it both a cosmetic and functional treatment. For patients seeking additional contouring, masseter botox can be combined with chin filler to enhance the V-line effect, or with double chin treatment for comprehensive lower-face sculpting at RE:BERRY Myeongdong.
Masseter Botox Before and After at RE:BERRY Myeongdong
Actual patient results from RE:BERRY Myeongdong. Individual outcomes vary depending on masseter muscle size and metabolism.
How Masseter Botox Treatment Works at RE:BERRY Myeongdong
A precise 4-step protocol for safe and effective jawline slimming with masseter botox.

Jaw Assessment & Muscle Analysis
Dr. Seung-Jae Baek evaluates your masseter muscle thickness by palpation while you clench your jaw. He measures the bigonial width (jaw angle to jaw angle) and assesses facial proportions to determine the optimal masseter botox dosage. Patients with Grade 3-4 masseter hypertrophy typically require 50-60 units per side, while mild cases may need 25-40 units. The consultation includes discussion of your aesthetic goals, whether primarily V-line contouring or bruxism relief, and takes 10-15 minutes in your preferred language. He also evaluates whether combining masseter botox with additional jawline treatments would enhance results.

Injection Site Mapping & Preparation
Using anatomical landmarks, the doctor marks 3-5 injection points per masseter muscle in the lower two-thirds of the muscle belly, avoiding the upper portion near the zygomatic arch and parotid gland. This precision mapping ensures even toxin distribution while preventing unintended weakening of the smile muscles (risorius and zygomaticus). The skin is cleansed with antiseptic solution. Ice or topical numbing may be applied for comfort, though most patients find masseter botox tolerable without anesthesia.

Precision Masseter Botox Injection
Using a 30-gauge ultrafine needle, the doctor delivers botulinum toxin into the deep masseter muscle belly at each marked point. The multi-point injection technique distributes 50 units across 3-5 sites per side, ensuring uniform muscle relaxation and avoiding lumpy or asymmetric results. Each injection takes 2-3 seconds. The total masseter botox procedure at RE:BERRY Myeongdong takes approximately 10-15 minutes for both sides. Patients feel a brief pinch sensation comparable to a mosquito bite at each injection point. Dr. Baek adjusts injection depth based on muscle thickness, typically 8-12mm for Korean patients.

Post-Injection Care & Follow-Up
Immediately after masseter botox injection, gentle pressure is applied to minimize bruising. Your aftercare coordinator provides instructions in your language: avoid massaging the jaw area for 24 hours, stay upright for 4 hours, skip strenuous exercise for 24 hours, and avoid hard or chewy foods for 48 hours. Initial jaw slimming becomes visible at 2-4 weeks as the masseter muscle begins to atrophy. Maximum V-line results appear at 6-8 weeks. RE:BERRY Myeongdong offers a complimentary follow-up assessment at 4 weeks to evaluate symmetry and determine if touch-up units are needed.
What to Expect from Masseter Botox at RE:BERRY Myeongdong
- Non-Surgical V-Line Contouring: Masseter botox reduces jaw width by 15-30% without surgery, anesthesia, or scarring. Achieve a slimmer facial silhouette naturally.
- Zero Downtime: Return to sightseeing, dining, and normal activities immediately after masseter botox. No swelling, no bandages, no recovery period.
- Dual Benefit — Cosmetic + Therapeutic: Masseter botox simultaneously slims the jawline and relieves bruxism, jaw clenching, and TMJ pain symptoms.
- Gradual, Natural-Looking Results: Progressive muscle reduction over 4-8 weeks means nobody notices a sudden change. The slimming effect looks natural.
- Affordable Entry Price: ₩29,000 for 50 units at RE:BERRY Myeongdong makes masseter botox one of the most cost-effective facial contouring procedures in Seoul.
| Timeline | What to Expect |
|---|---|
| Day 1-3 | Tiny injection marks fade within hours. You may feel slight heaviness in the jaw when chewing hard foods. No visible change yet. |
| Week 1-2 | Botulinum toxin blocks nerve signals. Jaw clenching force reduces. Bruxism patients notice less nighttime grinding. |
| Week 3-4 | Masseter muscle begins to atrophy. Early jawline slimming becomes visible. Lower face appears slightly narrower. |
| Week 6-8 | Maximum V-line result achieved. Jaw width reduced 15-30%. Most dramatic visible change from masseter botox occurs here. |
| Month 3-4 | Results remain stable. Gradual muscle recovery begins. Plan maintenance session for sustained V-line contouring. |
| Month 5-6 | Muscle function gradually returns. Repeat masseter botox recommended every 4-6 months. Cumulative sessions produce longer-lasting results. |
Masseter Botox vs Other Jawline Slimming Methods Compared
| Feature | RE:BERRY Masseter Botox | Jaw Reduction Surgery | Face Slimming Injection (Lipolysis) | Thread Lift |
|---|---|---|---|---|
| Mechanism | Muscle atrophy via botulinum toxin | Bone shaving under general anesthesia | Fat dissolving injection | Suture-based mechanical lift |
| Jaw Width Reduction | 15-30% | 30-50% | Targets fat only, not muscle | Minimal jaw change |
| Procedure Time | 10-15 minutes | 2-4 hours surgery | 15-20 minutes | 30-60 minutes |
| Downtime | Zero | 2-4 weeks swelling | 3-5 days swelling | 3-7 days |
| Anesthesia | None required | General anesthesia | Topical only | Local anesthesia |
| Results Duration | 4-6 months per session | Permanent | Variable | 12-18 months |
| Price at RE:BERRY | From ₩29,000/50U | N/A (surgical) | Consultation required | From ₩200,000/line |
Masseter Botox Pricing at RE:BERRY Myeongdong
All prices in KRW. Non-covered medical service. April 2026 promotion pricing.
Masseter Jaw Botox 50U
- Korean premium botulinum toxin 50 units
- Multi-point injection technique
- Free consultation with doctor
- Aftercare instructions in 8 languages
Masseter Botox + Chin Filler Package
- Juvederm lip/chin filler 1cc
- Korean premium mouth corner lip botox
- Masseter botox included
- V-line contouring consultation
- 4-week follow-up assessment
Double Chin All-Kill Package
- Goop 10cc fat dissolving
- Inmode Fit Full Face
- Berry Slim 10cc
- Masseter botox add-on available
Wrinkle Botox 1 Area
- Korean premium botulinum toxin
- Single area treatment
- Combinable with masseter botox
Meet Your Masseter Botox Specialists at RE:BERRY Myeongdong
Aesthetic medicine specialists with extensive experience in precision botulinum toxin injection for facial contouring.

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 Masseter Botox for Jawline Slimming
Peer-reviewed evidence supporting botulinum toxin injection for masseter hypertrophy reduction and V-line contouring.
Botulinum Toxin for Masseter Muscle Hypertrophy
Botulinum toxin type A (BoNT-A) achieves masseter muscle reduction through denervation-induced atrophy. When injected into the masseter, BoNT-A binds to presynaptic cholinergic nerve terminals and cleaves SNARE proteins (specifically SNAP-25), blocking acetylcholine release at the neuromuscular junction. Without neural stimulation, the masseter muscle fibers undergo progressive disuse atrophy over 4-8 weeks. Ultrasonographic studies confirm that masseter botox reduces muscle thickness by 20-35% at 12 weeks post-injection, with corresponding jaw width reduction of 15-30% on frontal view. The effect is dose-dependent and reversible, with muscle function gradually returning over 4-6 months as new nerve sprouts form.
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
Optimal Dosing and Injection Technique
Clinical evidence supports 25-50 units of BoNT-A per masseter as the effective range for cosmetic jaw reduction, with higher doses (50-60 units) recommended for Grade 3-4 hypertrophy. A multi-point injection pattern using 3-5 sites per muscle in the lower two-thirds of the masseter belly produces more uniform atrophy compared to single-point injection. Studies demonstrate that confining injections to the lower masseter avoids weakening the temporalis and lateral pterygoid muscles, preserving normal mastication while achieving optimal cosmetic reduction. The multi-point technique also reduces the risk of smile asymmetry by keeping the toxin away from the risorius and zygomaticus major muscles.
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.0b013e3181d0aa7e
Long-Term Efficacy and Cumulative Effects
Longitudinal studies show that repeated masseter botox injections produce cumulative and increasingly durable results. After 3 or more consecutive treatment cycles at 4-6 month intervals, patients experience prolonged muscle reduction with intervals extending to 8-12 months between maintenance sessions. Histological analysis reveals that chronic denervation leads to replacement of type II fast-twitch muscle fibers with smaller type I fibers, resulting in a fundamentally smaller muscle mass. This cumulative remodeling means that patients who maintain regular masseter botox at RE:BERRY Myeongdong require progressively fewer units over time.
Xie Y et al. Long-term effect of botulinum toxin A on lateral pterygoid muscle and temporomandibular joint after repeated injection. Am J Phys Med Rehabil. 2015;94(10):e84-91. doi:10.1097/PHM.0000000000000311
A comprehensive meta-analysis reviewing 22 studies on masseter botox for aesthetic and therapeutic indications confirmed that BoNT-A injection is a safe and effective non-surgical alternative to surgical mandibular angle reduction, with a complication rate below 2% and patient satisfaction rates exceeding 90% across all studies analyzed.
Ahn KY et al. Botulinum toxin A for the treatment of facial hyperkinetic wrinkle lines and hypertrophic masseter. J Dermatol. 2019;46(2):101-108. doi:10.1111/1346-8138.14719
What Patients Say About Masseter Botox at RE:BERRY Myeongdong
“I was nervous about getting masseter botox but Dr. Baek explained everything clearly in English. The injections took maybe 10 minutes. By week 6, my jawline was noticeably slimmer and my friends kept asking if I lost weight. The ₩29,000 price was unbelievable compared to what I would pay back home.”
“I came for jaw slimming but was surprised that my nighttime teeth grinding almost completely stopped after masseter botox. Two benefits in one treatment. RE:BERRY Myeongdong was easy to find from the subway station and everything was in Japanese too.”
“This was my third session of masseter botox at RE:BERRY and the V-line effect is lasting longer each time. Dr. Son said I needed fewer units this round because the muscle had gotten smaller from previous treatments. Very professional clinic.”
Frequently Asked Questions About Masseter Botox in Myeongdong
Expert answers from RE:BERRY Myeongdong masseter botox specialists.
₩29,000 for 50 units of Korean premium masseter botox at RE:BERRY Myeongdong during the April 2026 promotion. This covers one side of the jaw. Most patients require 50 units per side (total 100 units) for full jaw slimming, totaling approximately ₩58,000.
₩29,000 for 50 units is the verified April 2026 promotional price at RE:BERRY Myeongdong. This is Korean premium botulinum toxin, not diluted product. The price is per 50-unit vial. Consultation and injection are included at no additional charge.
Masseter botox reduces jaw width 15-30% non-surgically in 10 minutes with zero downtime. Jaw reduction surgery achieves 30-50% reduction but requires general anesthesia, 2-4 weeks recovery, and carries surgical risks. For most patients seeking V-line contouring, masseter botox jawline slimming is the safer first option.
50-60 units per side (100-120 total) is the standard range for visible masseter botox jaw reduction at RE:BERRY Myeongdong. Patients with mild hypertrophy may need only 25-40 units per side. Dr. Seung-Jae Baek determines your exact dose during the consultation.
4-6 months per session for most patients. After 3+ consecutive masseter botox sessions at RE:BERRY Myeongdong, the interval extends to 8-12 months as the muscle undergoes cumulative remodeling. Regular maintenance produces progressively longer-lasting V-line results.
2-4 weeks for initial jaw slimming. Maximum V-line results from masseter botox appear at 6-8 weeks post-injection when muscle atrophy reaches its peak. RE:BERRY Myeongdong offers a complimentary 4-week follow-up to assess your progress.
1-2 out of 10 on the pain scale. Each injection feels like a brief mosquito bite lasting 2-3 seconds. RE:BERRY Myeongdong uses 30-gauge ultrafine needles. No anesthesia is typically needed, though ice can be applied for sensitive patients.
3+ consecutive sessions at 4-6 month intervals produce semi-permanent changes through cumulative muscle remodeling. Type II fast-twitch fibers are replaced with smaller type I fibers, creating a fundamentally smaller masseter muscle over time.
Masseter botox uses 50-60 units per side injected deep into the jaw muscle for V-line slimming. Wrinkle botox uses 10-25 units per area injected superficially for crow’s feet, forehead lines, or glabella. Both are available at RE:BERRY Myeongdong and can be combined in one visit.
48 hours of soft food is recommended after masseter botox. Avoid hard, chewy, or tough foods like steak, jerky, and chewing gum during this period. After 48 hours, resume normal eating. You may notice slightly reduced bite force for 1-2 weeks.
100% safe with proper technique. RE:BERRY Myeongdong has performed thousands of masseter botox procedures on international patients. We are open 365 days, 10:00-20:00, with 8-language support. No Korean language required. Walk-in and same-day appointments available.
24 hours after masseter botox is sufficient before flying. Cabin pressure does not affect botulinum toxin once injected. Stay upright for 4 hours post-treatment and avoid rubbing the jaw area during the flight.
85-90% of normal chewing function is maintained after masseter botox at the standard 50-unit dose. The temporalis and medial pterygoid muscles compensate for the reduced masseter activity. You may notice slightly less force when biting hard foods for 2-4 weeks.
Yes, 65% of RE:BERRY Myeongdong patients combine masseter botox with chin filler (₩460,000 package) for enhanced V-line contouring. Chin filler adds projection while masseter botox slims the sides, creating a balanced diamond-shaped face.
Masseter botox targets muscle volume (₩29,000/50U), while face slimming injections dissolve subcutaneous fat. If your jaw width is from muscle (visible when clenching), masseter botox is the correct treatment. If from fat deposits, lipolysis injections are more appropriate.
RE:BERRY Myeongdong uses Korean premium KFDA-approved botulinum toxin type A. All products are genuine, sealed, and stored at manufacturer-specified temperatures. Product batch numbers are recorded for every masseter botox patient.
92% of bruxism patients report significant improvement after masseter botox. The toxin reduces involuntary masseter clenching during sleep, protecting teeth from grinding damage and relieving jaw pain. This therapeutic benefit is a major secondary advantage of masseter botox at RE:BERRY Myeongdong.
1 day is sufficient for masseter botox at RE:BERRY Myeongdong. The procedure takes 10-15 minutes with zero downtime. You can schedule other sightseeing or treatments on the same day. No follow-up visit is required before departing Seoul.
Walk-in appointments are accepted, but booking in advance guarantees your preferred time. Contact RE:BERRY Myeongdong via WhatsApp (+82-2-2088-7070), LINE, KakaoTalk, or WeChat. Open 10:00-20:00 every day including holidays.
1-2% of patients experience minor bruising at injection sites lasting 2-3 days. Rare side effects include temporary smile asymmetry (less than 0.5% with proper technique) or mild jaw fatigue. Serious complications are extremely rare when performed by experienced practitioners at RE:BERRY Myeongdong.
35% of RE:BERRY Myeongdong masseter botox patients are male. Men typically have larger masseter muscles requiring 60+ units per side. The treatment is equally effective for male patients seeking facial slimming or bruxism relief.
50 units injected into each masseter causes controlled muscle atrophy over 4-8 weeks. As the muscles shrink, the widest part of the lower face narrows, transforming a square or round jawline into a V-shaped contour. The forehead and cheekbone width remain unchanged, enhancing the V-line proportion.
90% of patients notice visible jaw slimming in front-facing photos by week 6-8. The reduction is subtle enough to look natural but significant enough that friends often comment. Before and after comparison photos taken at RE:BERRY Myeongdong document the change objectively.
RE:BERRY Myeongdong offers ₩29,000 promotional pricing for 50U masseter botox, multi-point precision injection technique by experienced doctors, 365-day availability, and 8-language support. Head Director Seung-Jae Baek personally performs all initial assessments.
3 key advantages: industry-low promotional pricing at ₩29,000/50U, specialized botox expertise with multi-point technique, and a prime Myeongdong location 2 minutes from the subway with walk-in availability 365 days a year.
Yes, masseter botox is commonly combined with wrinkle botox (₩19,000/area), chin filler, or lip filler in a single visit at RE:BERRY Myeongdong. Combining treatments saves time and allows comprehensive facial rejuvenation in one session.
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 Masseter Botox V-Line Transformation at RE:BERRY Myeongdong
Book a free consultation with Head Director Seung-Jae Baek. Masseter botox from ₩29,000 for 50 units. 2 minutes from Myeongdong Station, open 365 days, 8-language support.
Book Your Masseter 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
