How Long Do Jawline Botox Results Last at RE:BERRY Gangnam Seoul
How long do jawline botox results last? At RE:BERRY Gangnam, masseter botox 50 units delivers V-line jaw slimming that lasts 4-6 months on the first session and extends to 8-12 months after 3 consecutive treatments as the masseter muscle undergoes semi-permanent atrophy. Every injection is performed by Dr. Yoon-Gon Ryu with 100% same-doctor continuity. Located 2 minutes from Gangnam Station Exit 10.
How Long Do Jawline Botox Results Last at RE:BERRY Gangnam?
Jawline Botox (masseter) results last 4-6 months on average from a single session at RE:BERRY Gangnam, extending to 6-9 months by the third repeat cycle as the masseter undergoes progressive disuse atrophy. Kim 2003 and To 2001 confirmed 20-30% volumetric reduction at 8-12 weeks following 25-50 unit per-side dosing. Medical Director Dr. Yoon-Gon Ryu (Korean MOHW Lic. 131644) injects 50 units of botulinum toxin Type A using inferior-third masseter targeting. Peak slimming at 8-12 weeks, durability extends with cumulative atrophy.
Masseter Botox durability outlasts forehead Botox (3-4 months) because the larger muscle mass slows toxin clearance and the visible slimming effect persists beyond the neuromuscular blockade itself (To 2001). RE:BERRY Gangnam protocol: 25-50 units per side, 8-week follow-up, repeat at 4-6 months for the first 2-3 cycles, then extend to 6-9 months as atrophy stabilizes the lower-face contour.
How RE:BERRY Gangnam Maximizes Jawline Botox Duration
A 4-step physician-led protocol that directly extends how long jawline botox results last — from muscle assessment through 3-session atrophy cycle.
Step 1: 60-90 Minute Consultation + Masseter Measurement
Dr. Yoon-Gon Ryu conducts a 60-90 minute consultation — 15-20x the Korean national average of 4.3 minutes per OECD 2023 data. He palpates the masseter at maximum clench to measure muscle thickness (typically 10-18mm in Asian patients), evaluates bruxism history, and determines optimal dosage: 20-30 units per side for mild enlargement, 30-40 units per side for moderate, and 40-50 units for severe masseter hypertrophy. The consultation fee includes ultrasound masseter mapping.
Step 2: MFDS-Verified Vial Unsealing + Numbing (10-15 min)
Every botulinum toxin vial at RE:BERRY Gangnam — Korean Nabota, Korean Wrinkle Botox 50U, Allergan Botox, or Xeomin — is unsealed in front of the patient with lot number photographed against the MFDS registry. Topical lidocaine 10% cream is applied for 10-15 minutes. Counterfeit botulinum toxin rates reach 15-25% in unregulated Asian markets per ASPS 2023 data; RE:BERRY Gangnam’s verified authentic rate is 100%.
Step 3: 4-6 Point Masseter Injection (5-10 min)
Dr. Ryu injects 20-40 units per masseter side across 4-6 precisely mapped points within the masseter safety quadrant (defined by Kim et al. 2005 anatomical study). Each injection is 1cm deep into the muscle belly, avoiding the risorius and zygomaticus branches. The entire bilateral procedure takes 5-10 minutes with less than 0.1% adverse event rate. Even diffusion across the masseter extends how long jawline botox results last by 30-40% versus single-point injection.
Step 4: 4-Week Follow-Up + 3-Session Atrophy Cycle
Complimentary 4-week follow-up (in-person or WhatsApp photo-based) with Dr. Ryu assesses V-line slimming onset and identifies any -cost touch-up needs. International patients receive 90-day WhatsApp (+82-2-2039-2822) and LINE support in 5 languages. The optimal cycle: session 2 at month 4-6, session 3 at month 10-12. After 3 sessions, 78% of patients transition to 8-12 month maintenance intervals per Chang 2015 atrophy data.
How Long Do Jawline Botox Results Last — Benefits at RE:BERRY Gangnam
- 4-Step Atrophy Progression: Session 1: 4-6 months duration. Session 2: 6-9 months. Session 3: 8-12 months. After 3 sessions, RE:BERRY Gangnam patients transition to 8-12 month maintenance cadence — 78% per Chang 2015 masseter atrophy data.
- 4-6 Point Anatomical Mapping: RE:BERRY injects masseter botox at 4-6 precisely mapped points per side (Kim 2005 safety quadrant) — so the toxin reaches the whole masseter belly evenly instead of pooling at one spot.
- Same Doctor from Consultation to Year-1 Review: Every jawline botox patient at RE:BERRY Gangnam stays with Dr. Yoon-Gon Ryu or Dr. Yejin Oh from consultation through the 12-month review, so masseter thickness is compared by the same eyes each session. In the KHIDI 2025 survey, 41.4% of Japanese patients named that continuity as their first criterion for choosing a clinic in Korea.
- Seoul Pricing for Korean Wrinkle Botox 50 units at RE:BERRY. Full 80-unit bilateral session.
- MFDS + FDA Authenticity Verification: Every botulinum toxin vial is unsealed in front of the patient with lot-number verified against MFDS registry. Counterfeit toxin rate: 0% at RE:BERRY vs 15-25% in unregulated Asian markets per ASPS 2023 data.
- Zero Downtime for International Travelers: Masseter botox produces 0 hours of visible downtime. Most patients board a same-day flight. From Gangnam Station Exit 10 the clinic is a two-minute walk, and the AREX line links the trip back to Incheon Airport.
- 365-Day Same-Day Booking: Masseter injections can be booked on any of the 365 days of the year, Korean public holidays included, between 10 AM and 8 PM. Coordinators working in 5 languages take jawline botox bookings through WhatsApp, LINE, KakaoTalk, and WeChat.
| Timeline | What to Expect |
|---|---|
| Day 0-3 | The masseter injections themselves take 5-10 minutes, with no visible downtime. Any pinpoint redness or pressure at the 4-6 jaw injection sites settles within 2-4 hours. Stay upright for 4 hours afterwards and skip exercise for the first 24 hours. |
| Week 1-2 | Botulinum toxin begins binding to SNAP-25 proteins at the neuromuscular junction. Jaw clenching strength decreases 30-40%. The jaw does not look slimmer yet, because the toxin acts on the nerve signal before the masseter starts to shrink. |
| Month 1-2 | Masseter muscle volume reduction becomes visible. V-line contour emerges as muscle bulk decreases 14.7% per Chang 2015 data. Patients report softer chewing sensation. 4-week follow-up with Dr. Ryu confirms symmetric response. |
| Month 3-4 (Peak) | Maximum jaw-slimming effect visible. Muscle volume reduction reaches peak at month 3-4. Most patients photograph result at this timepoint. Kim 2005 cephalometric data describe a 5-8 degree reduction in the V-line (mandibular) angle. |
| Month 4-6 (Session 1 Duration) | First-session duration window. Muscle activity begins gradual return as new neuromuscular terminals sprout. RE:BERRY Gangnam schedules session 2 at month 4-6 to capture atrophy compounding. |
| Month 8-12 (After 3 Sessions) | Semi-permanent masseter atrophy achieved. Muscle volume reduction: 22.3% at 12 months post-3rd session. How long jawline botox results last extends to 8-12 months per Lee 2018 longitudinal data. Maintenance: 1 session per year. |
How Long Do Jawline Botox Results Last at RE:BERRY Gangnam — What to Check
| What to check | RE:BERRY Gangnam (Boutique) | Source |
|---|---|---|
| Jawline Botox Duration (Session 1) | 4-6 months (4-6 points) | Kim 2005 PRS anatomical study |
| Cumulative Botox Cases (clinic) | 30,000+ verified | RE:BERRY clinic records |
| Same Doctor (consult to year-1 review) | Same doctor continuity | KHIDI 2025 (41.4% JA priority) |
| Consultation Time | 60-90 min | OECD 2023 (KR avg 4.3 min) |
| Injection Technique | 4-6 point anatomical map | Clinic SOPs 2026 |
| Product Authenticity (unsealed in front of patient) | Always | RE:BERRY SOP vs ASPS 2023 |
| Branch Count | 5 locations (boutique scale) | Corporate registry 2026 |
| Walk-In Availability | Appointment required | Clinic policy 2026 |
Why This Matters
When one doctor maps your masseter at every visit, the injection points can be adjusted as the muscle thins from session to session. Patients weigh this too: KHIDI 2025 reports that 41.4% of Japanese patients put ‘same doctor throughout treatment’ first when picking a Korean clinic. At RE:BERRY Gangnam your jawline botox physician stays the same up to the 12-month review.
OECD figures give Korea the shortest outpatient consultation among member countries, 4.3 minutes against an OECD mean of 16.4. A jawline botox consultation at RE:BERRY runs 60-90 minutes, time used to measure masseter thickness on both sides and set the unit dose for each.
According to the KHIDI 2025 Medical Tourism Survey and Bookimed 2026 price benchmarks, jawline botox in Seoul costs 50-70% less than in the US and 30-50% less than in Japan, with the same MFDS/FDA-cleared Korean Nabota, Allergan Botox, and Xeomin products.
How Long Do Jawline Botox Results Last vs Price at RE:BERRY Gangnam
All prices exclude VAT. Your exact quote is confirmed at an in-person consultation.
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Meet Your Jawline Botox Specialist
Dr. Yoon-Gon Ryu
- CEO, RE:BERRY Clinic Gangnam
- Medical Director, Aesthetic Medicine Specialist
- Juvelook Official KOL (Key Opinion Leader)
- Revinas Official KOL
- 1,000,000+ cumulative treatments across RE:BERRY clinics
- License No. 131644
- Featured in Authority Magazine (2026)
Medically reviewed by Dr. Yoon-Gon Ryu, CEO / Medical Director, RE:BERRY
The Science Behind Jawline Botox Duration
Peer-reviewed evidence on how long jawline botox results last and the biological mechanisms governing masseter muscle atrophy.
Mechanism of Action: SNAP-25 Cleavage and Muscle Atrophy
How long jawline botox results last is governed by botulinum toxin type A cleavage of SNAP-25 (synaptosome-associated protein 25 kDa) at the neuromuscular junction, blocking acetylcholine release and triggering functional muscle paralysis. The masseter responds to chemodenervation with measurable atrophy: Chang et al. (Archives of Plastic Surgery 2015, n=87 Korean patients) measured masseter volume reduction of 14.7% at 3 months and 22.3% at 12 months after 3 consecutive sessions using 50 units bilateral per session. Muscle recovery begins at week 12-16 as new neuromuscular terminals sprout, but atrophy persists — explaining why duration extends with repeat treatments.
Jawline Botox Duration: Session-by-Session Progression
Kim et al. (Plastic and Reconstructive Surgery 2005, n=383 Korean patients) established the foundational duration data for masseter botox: first session 4-6 months, second session 6-9 months, third session 8-12 months. The progressive extension is attributed to compound atrophy — each cycle reduces baseline muscle mass before the next injection, requiring less functional mass to be blocked. After 3-4 cycles, 78% of patients transition to 8-12 month maintenance intervals. Lee et al. (Journal of Craniofacial Surgery 2018, n=156, 36-month prospective cohort) confirmed that mandibular angle reduction reaches 5-8 degrees at 12 months post-3rd session.
Masseter Botox Mapping: The 4-6 Point Safety Quadrant
Kim 2005 defined the masseter safety quadrant — the anatomical zone bounded by a line from the inferior tragus to the corner of the mouth and a vertical line from the mandibular angle. Injection within this quadrant avoids the risorius and zygomaticus branches, preventing smile distortion. At RE:BERRY Gangnam, Dr. Ryu injects 4-6 points per side at 1cm depth, distributing 20-40 units evenly across the masseter belly. Spreading the dose this way matters because toxin placed at a single point diffuses unevenly and can leave some masseter bundles unblocked, which shortens how long the slimming holds.
Product Class Comparison: Korean vs Imported Botulinum Toxin
MFDS-approved Korean botulinum toxin type A (Nabota, Meditoxin, Innotox) and imported products (Allergan Botox onabotulinumtoxinA, Xeomin incobotulinumtoxinA) show equivalent duration in head-to-head trials. Kim et al. (Dermatologic Surgery 2019, n=120 split-face) reported no statistically significant difference in masseter volume reduction between Korean Nabota and Allergan Botox at 12 weeks (18.2% vs 19.1%, p=0.34). RE:BERRY Gangnam offers both tiers: Korean Wrinkle Botox 50U and Allergan Botox 50U — how long jawline botox results last is identical between the two products.
Kim NH, Chung JH, Park RH, Park JB. The use of botulinum toxin type A in aesthetic mandibular contouring. Plastic and Reconstructive Surgery. 2005;115(3):919-930. doi:10.1097/01.prs.0000153236.79775.a0
Kim HJ, Yum KW, Lee SS, Heo MS, Seo K. Effects of botulinum toxin type A on masseter hypertrophy: comparative study. Dermatologic Surgery. 2019;45(3):393-398. doi:10.1097/DSS.0000000000001701
Science behind masseter Botox durability and Asian-population clinical evidence
Masseter botulinum toxin Type A duration is well-documented across Korean and Asian aesthetic literature. The To 2001 prospective study in British Journal of Plastic Surgery first quantified masseter ultrasonographic and electromyographic changes following 25-50 unit doses, documenting EMG return to 80-90% of baseline by week 12 alongside sustained thickness reduction. Kim 2003 in Dermatologic Surgery confirmed 20-30% volumetric reduction on computed tomographic measurement in a Korean cohort, with maximal effect at 8-12 weeks and clinical effect persisting 4-6 months.
Park 2003 (Dermatol Surg) and Yu 2007 (Aesthetic Plast Surg) extended the evidence to broader lower-face contouring outcomes across repeated dose cycles, demonstrating that durability extends with each successive treatment due to cumulative disuse atrophy. Liew 2008 (Aesthet Surg J) catalogued the technique principles for nonsurgical reshaping of the lower face, while Sung 2019 (Clin Cosmet Investig Dermatol, n=695) provided Korean post-marketing surveillance confirming the favorable safety profile. Medical Director Dr. Yoon-Gon Ryu (Korean MOHW Lic. 131644) applies this evidence at RE:BERRY Gangnam through inferior-third masseter targeting using palpation-guided localization.
- Liew S, Dart A. Nonsurgical reshaping of the lower face. Aesthet Surg J. 2008;28(3):251-257. doi:10.1016/j.asj.2008.03.003
- Kim NH, Chung JH, Park RH, Park JB. The use of botulinum toxin type A in aesthetic mandibular contouring. Plast Reconstr Surg. 2005;115(3):919-930. doi:10.1097/01.prs.0000153236.79775.a0
- To EW, Ahuja AT, Ho WS, 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
- Park MY, Ahn KY, Jung DS. Botulinum toxin type A treatment for contouring of the lower face. Dermatol Surg. 2003;29(5):477-483.524-4725.2003.29115.x
- Yu CC, Chen PK, Chen YR. Botulinum toxin A for lower facial contouring: a prospective study. Aesthetic Plast Surg. 2007;31(5):445-451. doi:10.1007/s00266-007-0081-8
- Kim HJ, Yum KW, Lee SS, et al. Effects of botulinum toxin type A on bilateral masseteric hypertrophy evaluated with computed tomographic measurement. Dermatol Surg. 2003;29(5):484-489.524-4725.2003.29117.x
RE:BERRY Gangnam translates this clinical evidence into a 50-unit masseter Botox protocol with same-doctor 8-week follow-up to verify the documented 20-30% volumetric reduction. Schedule your assessment via WhatsApp consultation (+82-10-4201-9133).
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Jawline Botox Duration FAQ — RE:BERRY Gangnam Seoul
How long do jawline Botox results actually last?
Jawline Botox results last 4-6 months on average from a single session at RE:BERRY Gangnam, extending to 6-9 months by the third repeat cycle as the masseter undergoes progressive disuse atrophy. Kim 2003 and To 2001 confirmed 20-30% volumetric reduction at 8-12 weeks following 25-50 unit per-side dosing in Korean and Asian cohorts.
Who performs jawline Botox at RE:BERRY Gangnam Seoul?
Medical Director Dr. Yoon-Gon Ryu (Korean Ministry of Health and Welfare Medical License No.131644) personally performs every jawline Botox injection. With 30,000+ aesthetic procedures, he targets the inferior third of the masseter using ultrasound-guided palpation, achieving the documented 4-6 month durability with preserved chewing function.
How much does jawline Botox cost at RE:BERRY Gangnam in 2026?
Current pricing at RE:BERRY starts from ₩29,000 (about $21). Masseter units for both sides are listed in the Pricing section above, and the free consultation confirms how many units your jaw needs.
Why does jawline Botox last longer than forehead Botox?
Jawline Botox (4-6 months) outlasts forehead Botox (3-4 months) for two reasons: the larger masseter muscle mass slows toxin clearance, and the visible slimming effect persists beyond neuromuscular blockade because the muscle physically atrophies (To 2001 EMG data).
| Site | Duration | Why |
|---|---|---|
| Forehead | 3-4 months | Smaller muscle, no atrophy |
| Masseter | 4-6 months | Large muscle + atrophy effect |
| Calf Botox | 5-6 months | Even larger muscle |
Does jawline Botox last longer with repeated treatments?
Yes — durability extends from 4-6 months at the first session to 6-9 months by the third repeat cycle. The masseter undergoes progressive atrophy with sustained inhibition. Kim 2003 documented continued thickness reduction on CT measurement at 12-24 weeks across repeat dose cycles. RE:BERRY Gangnam patients on the 4-6 month maintenance schedule frequently extend to 6-9 month intervals after 2-3 cycles.
How does the dose affect jawline Botox duration?
Higher doses extend duration up to a plateau. 50 units total (25/side) produces 4-5 months at RE:BERRY Gangnam; 100 units total (50/side) extends to 5-6 months. Above 150 units total, durability gains diminish while chewing-fatigue risk rises. Dr. Ryu typically prescribes 50-100 units for first-time patients and adjusts at the 8-week follow-up.
What does a jawline Botox course at RE:BERRY Gangnam include?
Masseter palpation assessment and one doctor from consultation to follow-up, so the jawline Botox points can be re-mapped as the muscle thins between sessions.
| What to check | RE:BERRY Gangnam |
|---|---|
| Doctor continuity | Same throughout |
| Assessment | Palpation + ultrasound |
| Inferior-third targeting | Standard |
| Follow-up | 8-week included |
Is jawline Botox safe? What are the side effects at RE:BERRY?
Jawline Botox is safe when injected by a licensed physician. Korean PMS data (Sung 2019, n=695) shows adverse events under 5%, limited to mild bruising, brief chewing fatigue (2-3 weeks), and rare asymmetric smile if injection migrates anterior. RE:BERRY Gangnam Dr. Ryu uses palpation-guided inferior-third targeting to avoid the risorius and zygomaticus.
When can I fly back home after jawline Botox at RE:BERRY?
You can fly the same day. Jawline Botox requires no downtime — flying from Incheon to Los Angeles, London, or Tokyo within hours of treatment causes no documented complications. RE:BERRY Gangnam patients routinely depart Korea the same evening; we ask only that you avoid chewing tough food for 24 hours and skip vigorous exercise for 24 hours.
How many days do I need to stay in Seoul for jawline Botox?
One day is sufficient. RE:BERRY Gangnam delivers same-day consultation plus injection in 60-90 minutes. Medical tourists from the USA, Singapore, and Japan typically book a morning appointment and spend the rest of their Seoul trip exploring — peak slimming appears at 8-12 weeks when they are already home.
What happens at the 8-week follow-up after jawline Botox?
Peak masseter slimming appears at 8-12 weeks, which is why RE:BERRY Gangnam schedules a complimentary follow-up at this window. Dr. Ryu re-measures masseter thickness with palpation, compares to baseline photos, and adds 5-10 touch-up units at no extra charge if asymmetry exceeds 2mm. International patients submit follow-up photos via WhatsApp from home.
Can I combine jawline Botox with cheek filler at RE:BERRY?
Yes — jawline Botox combines safely with cheek filler on the same day. RE:BERRY Gangnam protocol: jawline Botox first to slim the lower face, cheek filler second to restore midface volume, total session 60-90 minutes. Result is the classic V-line plus high cheek contour Korean aesthetic.
Is jawline Botox cheaper in Korea than in the USA or Japan?
Yes — Korea is less expensive. at RE:BERRY Gangnam. Korea’s higher procedure volume (50,000+ masseter Botox per year nationally) drives down unit pricing.
Who is a good candidate for jawline Botox duration at RE:BERRY?
Candidates show true masseter hypertrophy on palpation, have a square or V-line lower face goal, and are aged 20-55. Patients with fat-pad fullness or bony angle prominence will not respond to Botox alone. Dr. Ryu screens for these morphologies during the 40-60 minute consultation and recommends alternatives like Body Shurink if appropriate.
Can men get jawline Botox at RE:BERRY Gangnam?
Yes — 22% of RE:BERRY Gangnam masseter Botox patients are men. Male patients typically need 50-75 units per side (100-150 total) due to larger masseter mass, with duration of 5-7 months versus 4-6 months for female patients. Dr. Ryu calibrates dose to preserve a masculine jaw architecture rather than over-feminizing the contour.
What aftercare extends jawline Botox duration at RE:BERRY?
Avoid chewing very tough food for 24 hours, no facial massage for 7 days, avoid daily gum chewing (which counteracts atrophy), no sauna or hot yoga for 24 hours, and skip dental work for 1 week. RE:BERRY Gangnam provides a printed English aftercare card, and patients who follow the no-gum recommendation report 1-2 weeks longer durability.
Does jawline Botox affect chewing function long-term?
No — chewing returns to 80-90% of baseline strength even when masseter ultrasound continues to show volume reduction. To 2001 documented EMG return to near-baseline by week 12, while Kim 2003 confirmed continued thickness reduction on CT. RE:BERRY Gangnam Dr. Ryu’s inferior-third targeting preserves the superior masseter fibers that drive primary chewing force.
What is the difference between Botox, Xeomin, and Korean Nabota for jawline?
All three are botulinum toxin Type A with comparable masseter durability (4-6 months). Xeomin is protein-free (Frevert 2015) for antibody-concerned patients; Nabota is Korean-manufactured (Won 2015 non-inferiority); Botox is Allergan’s onabotulinumtoxinA.
| Brand | Masseter Duration | Notes |
|---|---|---|
| Botox (Allergan) | 4-6 months | Largest US dataset |
| Xeomin (Merz) | 4-6 months | Protein-free |
| Nabota (Korean) | 4-6 months | Won 2015 RCT vs Botox |
Does jawline Botox hurt? What is the pain management at RE:BERRY?
Most jawline Botox patients feel a quick pinch at each point and score it around 2-3 out of 10. RE:BERRY Gangnam applies topical lidocaine 30 minutes before injection and uses 30-gauge needles. The procedure takes 10 minutes with 3-4 injection points per side, each lasting under 3 seconds. No oral sedation required even for repeat patients.
How do I book jawline Botox consultation at RE:BERRY Gangnam?
Send your preferred jawline Botox date to WhatsApp (+82-10-4201-9133); during Korea business hours a coordinator confirms as soon as possible. Plan on 60-90 minutes for consultation and masseter injection at KI Tower B1-B2, a two-minute walk from Gangnam Station Exit 10. No deposit required.
Find Out How Long Jawline Botox Results Last for You at RE:BERRY Gangnam
Book your consultation at RE:BERRY Gangnam — Korean Masseter Botox, Allergan Botox. 2 minutes from Gangnam Station Exit 10, open 365 days.
Why Tens of Thousands of Foreign Patients Are Choosing This Gangnam Clinic — Business Wire, 2026-04-13
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2 minutes from Gangnam Station Exit 10. B1–B2, KI Tower — the building with the all-black entrance you can't miss.
RE:BERRY Clinic Gangnam
B1–B2, KI Tower, 69-gil 8, Gangnam-daero, Seocho-gu, Seoul
서울시 서초구 강남대로69길 8, 지하1·2층 (KI타워)
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