Lower one-third facial sculpting

Benefits of Botox for the Masseter Muscle

Masseter jaw slimming uses Botox to relax the masseter muscle, softening the contours of the lower third of the face. Dr. Dan Xu (M.D., CCFP) assesses each patient's individual muscle strength through palpation to precisely determine dosage, preventing asymmetry and minimizing any impact on chewing strength.

Physician-guided palpation for dosage determination Dynamic adjustment of long-term treatment plans 5,000 clients · 80,000 treatment areas of experience
Dr. Dan Xu, M.D., CCFP
Dr. Dan Xu, M.D., CCFP
Allergan/Juvéderm N.A. Trainer · 5,000 clients · 80,000 treatment areas · PicoSure Pro Specialist

Quick Answer

Masseter Botox is an injection of Botox® (botulinum toxin type A) into the masseter muscles to reduce their bulk and soften the lower face. It suits adults with a square or wide jawline caused by enlarged masseter muscles, whether from genetics or teeth grinding. A precise dose relaxes the muscle, gradually slimming the jaw over several weeks. At ID Cosmetic Clinic in Markham and Toronto, Dr. Dan Xu, M.D., personally performs each treatment. Most patients need one to two sessions, with visible results appearing within four to six weeks.

View Contents (14)
  1. 01 Our Botox® Face S…
  2. 02 Why Choose ID Cos…
  3. 03 What Is Botox® Fa…
  4. 04 How Botox® Jaw Sl…
  5. 05 Am I a Candidate …
  6. 06 Botox® Jaw Slimmi…
  7. 07 Masseter Botox Ne…
  8. 08 Botox® Face Slimm…
  9. 09 Advantages of Bot…
  10. 10 Dr. Dan Xu, M.D.,…
  11. 11 《Timeless Asian B…
  12. 12 Why Trust ID Cosm…
  13. 13 Masseter Botox / …
  14. 14 Common Risks · Co…
REAL PATIENT RESULTS

Our Botox® Face Slimming Success Stories in Toronto

At ID Cosmetic Clinic, We tailor every Botox® jaw-slimming treatment to each patient’s facial structure, muscle strength, and aesthetic goals. Our experienced physicians precisely inject Botox® into the masseter, gently reducing muscle activity over time to create a naturally refined, slimmer lower face — without compromising chewing function or facial expression.

BEFORERecessed Chin — Before Treatment · Case 1 · ID Cosmetic Clinic
AFTERChin Retrusion After Treatment · Case 1 · ID Cosmetic Clinic

Case 1 · Masseter Botox / Jaw Slimming — Real Clinical Documentation

Client profile
Asian Female · Fitzpatrick IV
Concerns addressed
Masseter Botox / Jaw Slimming (Comprehensive Improvement via Multi-Modal Combination Therapy)
Treatment plan
Juvéderm® dermal filler + jawline lift (multiple sessions within 3 months)
Treatment outcome
Masseter Botox (Face Slimming) — Visible Improvement · Natural Overall Result
Post-inflammatory hyperpigmentation (PIH)
No PIH
Maintenance
9-12 months later for dermal filler touch-up

Case 1: Asian Female · Fitzpatrick IV · Masseter Botox (Face Slimming) as a Core Component of a Combination Plan for Recessed Chin, Face Shape (Full/Flat Face/Facial Contour), Jawline Sculpting/Masseter Reduction, Undefined Jawline, Excess Cheek Volume/Facial Fat Accumulation, Refined Contour & ID Skeletal Facial Sculpting (Multiple Sessions Within 3 Months) · Led by Dr. Dan Xu at ID Cosmetic Clinic, Toronto · Markham

BEFOREMasseter Hypertrophy — Before Treatment · Case 2 · ID Cosmetic Clinic
AFTERMasseter Hypertrophy After Treatment · Case 2 · ID Cosmetic Clinic

Case 2 · Masseter Botox / Jaw Slimming — Real Clinical Documentation

Client profile
Asian Female · Fitzpatrick IV
Concerns addressed
Masseter Botox / Jaw Slimming (Comprehensive Improvement via Multi-Modal Combination Therapy)
Treatment plan
BTL Exilis Ultra 360 + Masseter Botox (Face Slimming) + Dermal Filler + Jawline Lifting (Multiple Sessions Within 3 Months)
Treatment outcome
Masseter Botox (Face Slimming) — Visible Improvement · Natural Overall Result
Post-inflammatory hyperpigmentation (PIH)
No PIH
Maintenance
9-12 months later for dermal filler touch-up

Case 2: Asian Female · Fitzpatrick IV · Masseter Botox (Face Slimming) as a Core Component of a Combination Plan for Masseter Hypertrophy, Face Shape (Full/Flat Face/Facial Contour), Jawline Sculpting/Masseter Reduction & Undefined Jawline (Multiple Sessions Within 3 Months) · Led by Dr. Dan Xu at ID Cosmetic Clinic, Toronto · Markham

BEFOREBaby Fat / Cheek Fullness — Before Treatment · Case 3 · ID Cosmetic Clinic
AFTERChubby Cheeks / Facial Fullness After Treatment · Case 3 · ID Cosmetic Clinic

Case 3 · Masseter Botox / Jaw Slimming — Real Clinical Documentation

Client profile
Asian Female · Fitzpatrick IV
Concerns addressed
Masseter Botox / Jaw Slimming (Comprehensive Improvement via Multi-Modal Combination Therapy)
Treatment plan
Botox® + Masseter Botox / Jaw Slimming + Dysport® + Xeomin® and 9 treatments in total (multiple sessions within 3 months)
Treatment outcome
Masseter Botox (Face Slimming) — Visible Improvement · Natural Overall Result
Post-inflammatory hyperpigmentation (PIH)
No PIH
Maintenance
Botox Masseter + buccal fat pad management

Case 3: Asian Female · Fitzpatrick IV · Masseter Botox (Face Slimming) as a Core Component of a Combination Plan for Baby Fat/Cheek Fullness, Masseter Hypertrophy, Recessed Chin & Lip Enhancement (Multiple Sessions Within 3 Months) · Led by Dr. Dan Xu at ID Cosmetic Clinic, Toronto · Markham

BEFOREChin Retrusion Before Treatment · Case 4 · ID Cosmetic Clinic
AFTERRecessed Chin — After Treatment · Case 4 · ID Cosmetic Clinic

Case 4 · Masseter Botox (Face Slimming) — Real Patient Record

Client profile
Asian Female · Fitzpatrick IV
Concerns addressed
Masseter Botox / Jaw Slimming (Comprehensive Improvement via Multi-Modal Combination Therapy)
Treatment plan
Botox® + Masseter Botox / Jaw Slimming + Dysport® + Botox and 11 treatments in total (multiple sessions within 3 months)
Treatment outcome
Masseter Botox (Face Slimming) — Visible Improvement · Natural Overall Result
Post-inflammatory hyperpigmentation (PIH)
No PIH
Maintenance
9-12 months later for dermal filler touch-up

Case 4: Asian Female · Fitzpatrick IV · Masseter Botox / Jaw Slimming as a Core Component of a Comprehensive Plan Addressing Chin Retrusion, Jawline Contouring / Masseter Adjustment & Undefined Jawline (Multiple Sessions Within 3 Months) · Led by Dr. Dan Xu at ID Cosmetic Clinic, Markham / Toronto

BEFORERecessed Chin — Before Treatment · Case 5 · ID Cosmetic Clinic
AFTERChin Retrusion After Treatment · Case 5 · ID Cosmetic Clinic

Case 5 · Masseter Botox / Jaw Slimming — Real Clinical Documentation

Client profile
Asian Female · Fitzpatrick IV
Concerns addressed
Masseter Botox / Jaw Slimming (Comprehensive Improvement via Multi-Modal Combination Therapy)
Treatment plan
Botox® + Masseter Botox / Jaw Slimming + Dysport® + Botox and 11 treatments in total (multiple sessions within 3 months)
Treatment outcome
Masseter Botox (Face Slimming) — Visible Improvement · Natural Overall Result
Post-inflammatory hyperpigmentation (PIH)
No PIH
Maintenance
9-12 months later for dermal filler touch-up

Case 5: Asian Female · Fitzpatrick IV · Masseter Botox / Jaw Slimming as a Core Component of a Comprehensive Plan Addressing Chin Retrusion, Jawline Contouring / Masseter Adjustment, Undefined Jawline, Refined Facial Contour, ID Skeletal Facial Sculpting & Double Chin (Multiple Sessions Within 3 Months) · Led by Dr. Dan Xu at ID Cosmetic Clinic, Markham / Toronto

BEFOREUnder-Eye Bags & Dark Circles — Before Treatment · Case 6 · ID Cosmetic Clinic
AFTERUnder-Eye Bags & Dark Circles After Treatment · Case 6 · ID Cosmetic Clinic

Case 6 · Masseter Botox / Jaw Slimming — Real Clinical Documentation

Client profile
Asian Female · Fitzpatrick I · Results Lasting ~2–3 Years
Concerns addressed
Masseter Botox / Jaw Slimming (Comprehensive Improvement via Multi-Modal Combination Therapy)
Treatment plan
PicoSure Pro + IPL Photofacial (multiple sessions within 3 months)
Treatment outcome
Masseter Botox (Face Slimming) — Visible Improvement · Natural Overall Result
Post-inflammatory hyperpigmentation (PIH)
No PIH
Maintenance
Regular sun protection + monthly home care + quarterly assessment

Case 6: Asian Female · Fitzpatrick I · Results Lasting ~2–3 Years · Masseter Botox / Jaw Slimming as a Core Component of a Comprehensive Plan Addressing Under-Eye Bags & Dark Circles, Facial Sagging / Jowling, Upper Eyelid Ptosis, Tear Troughs, Lip Augmentation, Thin Lips, Lip Reshaping, Pout Lips, Smile Lips, Temple Hollowing & Forehead Hollowing (Multiple Sessions Within 3 Months) · Led by Dr. Dan Xu at ID Cosmetic Clinic, Markham / Toronto

WHY ID COSMETIC CLINIC

Why Choose ID Cosmetic Clinic for Undergo Botox® face slimming

  • Our physicians bring years of extensive clinical experience in facial contouring and Botox® injections, ensuring precise and safe treatment delivery.
  • We use only genuine Botox® products registered with Health Canada, ensuring consistent results and reliable quality.
  • Every treatment plan is fully customized, balancing aesthetic outcome with natural, dynamic expression.
  • A clean, comfortable clinical environment focused on a gentle and precise treatment experience.
Clinic certifications and devices:
  • Health Canada Registration — Health Canada-compliant aesthetic treatments
  • Aesthetic Devices — Canadian Authorized Clinic — ID Cosmetic Clinic One of the few authorized clinics in the GTA
  • Multi-device combination treatment capability — Synergistic combination with picosecond laser, lifting devices, injectables and more
  • Google 4.9★ · 283 Real patient reviews — Industry-leading medical aesthetic clinic in Toronto
  • Multilingual services — Chinese (Mandarin / Cantonese) · English
WHAT IS IT

What Is Botox® Face Slimming?

Botox® jaw slimming is an injectable treatment that uses botulinum toxin type A to relax an overactive masseter along the jawline. As muscle activity decreases, the muscle gradually reduces in volume, resulting in a slimmer, more refined lower face. This treatment is ideal for anyone looking to improve their facial shape without surgery or downtime.

Device technical specifications

  • Device Manufacturer:Aesthetic device
  • Mechanism of action:Targets the dermis, muscle, and soft tissue
HOW IT WORKS

How Botox® Jaw Slimming Works

On a physiological level, Botox® works by temporarily blocking nerve signals to the masseter muscle, reducing both its activity and volume. On a technical level, your physician uses fine-gauge needles and precise anatomical mapping to ensure symmetric injection sites and balanced dosing on both sides. Over the weeks following treatment, as the muscle gradually relaxes, the jawline takes on a noticeably slimmer, more refined contour.

Core mechanism of action

Masseter Botox / Jaw Slimming works by Targets the dermis, muscle, and soft tissue achieving your treatment goals. Dr. Xu customizes parameters based on your bruising risk, vascular occlusion risk level, and skin characteristics, balancing efficacy with safety.

CANDIDACY

Am I a Candidate for Botox® Jaw Slimming?

  • A wider or squarer lower face due to prominent masseter development
  • Seeking a slimmer, more defined V-shaped facial contour
  • Symptoms of bruxism or temporomandibular joint (TMJ) tension
  • Prefer a non-invasive treatment with minimal to minimal downtime
  • Seeking naturally refined improvement
  • Not suitable for the following:
  • Pregnancy or breastfeeding
  • Patients with neuromuscular disorders
  • Patients with known allergy to botulinum toxin or its components

Fitzpatrick × Dr. Xu’s protocol

Assess bruising, vascular occlusion risk, and energy protocol:

FitzpatrickSkin toneRiskProtocol
II–IIIFair / light skin toneLowStandard energy level
IIIlighter AsianMediumMedium energy level
IVTypical AsianModerate to highLow energy + 6-week pre-treatment conditioning
VDeeper Asian / South AsianHighUltra-low energy + test spot
YOUR JOURNEY

Botox® Jaw Slimming Treatment Process

Treatment steps: Consultation & facial assessment → Injection site mapping → Precise Botox® injection with fine-gauge needles → Gentle massage or cold compress → Post-care instructions. The entire session typically takes 10–20 minutes with minimal discomfort and minimal downtime.

Typical Treatment Cycle Timeline

Masseter Botox / Jaw Slimming typically requires 1 session as a complete treatment, with maintenance every 3–18 months:

Treatment timelineContent
Week 0Free 30-Minute Consultation + Personalized Treatment Plan
After the 1st sessionInitial response monitoring
Complete treatment1 session(s) × maintenance every 3–18 months
Stable maintenanceLow-intensity maintenance every 3–6 months
WHAT IT TREATS

Masseter Botox Near You — Toronto, Markham & the GTA

Searching for masseter Botox near me? ID Cosmetic Clinic (30 Gibson Dr, Markham) serves Toronto, North York, Richmond Hill, Vaughan, Scarborough and Thornhill — injected by Dr. Dan Xu, MD, with protocols tuned to Asian facial anatomy and masseter strength.

Indications That Masseter Botox / Jaw Slimming Can Address

How much is masseter Botox in Toronto? A treatment (both sides) typically runs $400–$700 depending on muscle strength and units needed (at $10–$15 per unit). Dr. Xu confirms your exact dose and price at a free 30-minute consultation. See also the masseter Botox price guide.

Core Indications × Treatment Plan × Session Details

IndicationsPlanSessions / Interval
dynamic linesPersonalized treatment plan1 session(s) / maintenance every 3–18 months
Contour sculptingPersonalized treatment plan1 session(s) / maintenance every 3–18 months
Facial rejuvenationPersonalized treatment plan1 session(s) / maintenance every 3–18 months
Skin improvementPersonalized treatment plan1 session(s) / maintenance every 3–18 months
PRE · DURING · POST CARE

Botox® Face Slimming — Pre & Post Care

Pre-Procedure Instructions

  • Avoid alcohol, blood-thinning medications, and strenuous exercise for 24 hours before treatment.
  • Ensure skin is clean and free of makeup or moisturizer.
  • Inform your physician of all medications and supplements you are currently taking.
  • No other facial treatments on the day of the procedure.
  • Ensure adequate rest before your treatment.

Treatment process

  • Relax your facial muscles and cooperate with the procedure.
  • Follow your physician’s instructions.
  • Avoid excessive facial expressions during injection.
  • Inform your physician promptly if you experience any discomfort.
  • Maintain a natural, relaxed seated position.

Post-procedure care

  • Avoid touching or massaging the injection area for 24 hours after treatment.
  • Remain upright for at least 4 hours after treatment.
  • 48hours, avoid saunas, hot yoga, or intense exercise.
  • 24hours. Avoid alcohol and anti-inflammatory medications.
  • Gently cleanse your face using a mild cleanser.
  • Results will gradually appear over 2 to 6 weeks.
  • Schedule your follow-up appointment as planned to evaluate treatment results.

D0–D30 Complete recovery timeline

TimeDo’s · Don’ts
D024–48 hours · No makeup · No hot water on face
D1–D3SPF 50+ Mandatory · No exfoliation · Focus on moisturizing and barrier repair
D4–D7Resume gentle cleansing · Continue SPF · Avoid heat exposure
D8–D14Skincare products may be gradually resumed
D15–D30Stabilization phase · Evaluate next treatment
BENEFITS & COMPARISON

Advantages of Botox® Face Slimming

  • Non-surgical, efficient, and safe
  • Reducing lower-face width caused by masseter hypertrophy
  • Create a slimmer, more defined V-shaped facial contour
  • Minimal downtime — daily activities can be resumed immediately after treatment
  • Natural-looking results that develop gradually
  • Reduce teeth grinding or temporomandibular joint (TMJ) tension
  • Long-lasting results that can be extended with regular maintenance
  • Improve facial symmetry and overall harmony

Key Advantages of Masseter Botox / Jaw Slimming

DimensionMasseter Botox / Jaw Slimming
Mechanism of actionTargets the dermis, muscle, and soft tissue
Recovery period24–48 hours
Risk of bruising and vascular occlusionLow (per Dr. Xu’s protocol)
Fitzpatrick ApplicableI–VI Suitable for all skin types
YOUR PHYSICIAN
V-line
slims a square jaw without surgery
2 in 1
contour + relief from grinding/clenching
3–7 days
onset; slimming builds over 4–8 weeks
0
downtime
Considering masseter Botox?
Free 30-minute consultation with Dr. Dan Xu, MD — Markham · GTA
Call 905-477-2225

Dr. Dan Xu, M.D., CCFP

ID Cosmetic Clinic Founder & Medical Director · Author of Timeless Asian Beauty

As a highly regarded Chinese-Canadian medical aesthetic physician in Toronto, Dr. Dan Xu is recognized for herprofound clinical expertise, a refined artistic eye, and a sharp cultural sensibilityand is renowned for her work. She brings over 80,000 proceduresinjection clinical experience, and has successfully managed over 8,000 procedurescomplex medical aesthetic cases.

Dr. Xu’s deep expertise inContouring, anti-aging, and pigmentation treatments for Asian faces. Dr. Xu holds a Canadian life sciences background and an M.D. with honors, alongside CCFP certification in family medicine. Drawing on cross-border clinical practice in China, Korea, and Canada, she has developed a systematic framework for aesthetic and laser treatments tailored to the bone structure, aging patterns, and skin characteristics of Asian patients.

Her aesthetic philosophy is both concise and profound:“Beauty should be about becoming a better version of yourself, not changing who you are.”

80,000 Clinical procedure
8,000+ Complex revision cases
Asian Skin & Facial Contour
4.9★ Google 283 Reviews

Professional Credentials & Certifications

  • Education — M.D. + Family Medicine Specialty (CCFP)
  • Authority — Cynosure PicoSure Pro Canada KOL (fewer than 50 nationwide)
  • Authority — Allergan / Juvéderm Allergan/Juvéderm North America Trainer
  • Authority — Sofwave Key Opinion Leader
  • Authority — Candela Medical Key Opinion Leader
  • Authority — McMaster University Clinical Preceptor (clinical teaching physician)
  • Authority — IMCAS Speaker at International Medical Aesthetic Conferences
  • Trust — CPSO Registered Physician · Publicly Verifiable
  • Trust — Timeless Asian Beauty (2024)
AUTHOR · 2025

《Timeless Asian Beauty》

Timeless Asian Beauty — by Dr. Dan Xu, M.D., CCFP

Timeless Asian Beauty, written by Dr. Dan Xu, is a book written specifically forAsian facesA landmark aesthetic guide tailored to its readers. Rather than imposing rigid beauty standards, this book invites readers to explore beauty through the lens of culture, anatomy, and self-awareness —Redefining beauty.

Drawing on cross-border clinical practice in China, Korea, and Canada, Dr. Xu challenges the long-held dominant”Western-centric”aesthetic bias — the first to addressthe bone structure, aging patterns, and skin characteristics of Asian patients, presenting a systematic aesthetic framework.

At its heart, this book focuses on the essence of Asian aesthetics —Natural, soft, and expressive. Combining rigorous scientific insight with deep cultural understanding, Dr. Xu shares a wealth of real-case treatment approaches throughout the book.

Not to change who you are — but to embrace the most authentic version of yourself.
Identify with your own beauty. — Dr. Dan Xu, M.D.
EXPERIENCE · EXPERTISE · AUTHORITATIVENESS · TRUSTWORTHINESS

Why Trust ID Cosmetic Clinic for Masseter Botox (Face Slimming)?

Google E-E-A-T This framework evaluates medical content across four dimensions. Below are the specific credentials supporting every claim on this page.

E
EXPERIENCE

Real-world clinical experience

  • 8+ years dedicated to medical aesthetics
  • 5,000 clients · 80,000 treatment areas
  • Masseter Botox (Face Slimming) — Specialized Expertise
  • specializing in Asian skin care and facial contour
E
EXPERTISE

Physician Qualifications

  • M.D. + CCFP
  • Ongoing manufacturer training
  • Multi-modality treatment capability
A
AUTHORITY

Industry standing and certifications

  • Aesthetic Device Canada KOL / Trainer
  • Official trainer for multiple brands
  • 《Timeless Asian Beauty》Author
T
TRUST

Clinic transparency and reputation

  • Google 4.9★ · 283 Reviews
  • Written informed consent
  • Health Canada Dual certification
  • Transparent pricing and risk disclosure
WHY THIS MATTERS

Masseter Botox / Jaw Slimming is not a "one-size-fits-all" treatment

Masseter Botox (Face Slimming) delivers its results by targeting the dermis, muscle, and soft tissue — requiring your physician to individually calibrate the approach based on your skin type, the depth of concern, and your treatment history.

PRICING & PAYMENT

Masseter Botox / Jaw Slimming — Pricing & Payment

Pricing varies by area, dosage, number of sessions, and whether combination therapy is included.Custom pricing provided by Dr. Xu following a Free 30-Minute Consultation.

SINGLE SESSION
Consultation pricing

Single Session — Masseter Botox (Face Slimming) · Trial / Single Maintenance

Accepted Payment Methods

  • Accepted: VISA / Mastercard / Amex / Debit / E-transfer
  • Financing available via Affirm / PayBright (select treatment packages)
  • Private Insurance: Some commercial extended health benefit (EHB) plans may cover consultation fees — inquire for individual cases
  • OHIP:Cosmetic procedures are not covered by insurance
  • All new patients receive a 30-minuteFreeConsultation & Assessment
RISKS & SAFETY · Informed consent
Considering masseter Botox?
Free 30-minute consultation with Dr. Dan Xu, MD — Markham · GTA
Call 905-477-2225

Common Risks · Contraindications · Safety Protocol

Transparency in medical aesthetics is itself a mark of credibility. We openly disclose all possible reactions, serious risks, contraindicated patient profiles, and absolute do-not-treat situations.

Common Reactions (Short-Term)
  • Localized swelling, redness, and warmth
  • Skin sensitivity (SPF 50+ for 2–4 weeks)
  • Temporary changes in appearance
Serious Risks (Rare)
  • Bruising, vascular occlusion — Significantly reduced through Dr. Xu’s protocol
  • Infection (rare)
  • Scarring (extremely rare)
Absolute contraindications
  • Pregnancy / breastfeeding
  • Active infection
  • Oral Accutane use within the past 6 months
  • Keloid-prone skin
  • Photosensitizing medications not discontinued
Dr. Xu’s Mandatory Safety Protocol
  • Complete skin assessment and medical history review before treatment
  • Sign a written informed consent form
  • Mandatory test spot for high-risk patients
  • Performed directly by Dr. Xu, M.D.
TORONTO PATIENTS ASK

Your Top Questions About Masseter Jaw-Slimming Injections

Masseter jaw slimming is one of the most impactful applications of Botox for lower-face contouring. The following five questions come up most often during consultations.

Who Is a Good Candidate for Masseter Botox?

Core Indications: (1) Square face from masseter hypertrophy(palpable, well-developed muscle at the mandibular angle that bulges noticeably when biting down); (2) Nighttime bruxism or a long-term habit of eating hard foodsleading to masseter thickening; (3) Lack of softness in the lower-third facial contourbut not skeletal concerns. Not suitable for: (1) Skeletal square face (wide mandibular angle bone — jaw-slimming injections are ineffective; surgery required); (2) Fat-type wide face (excess fat along the jaw — requires fat-dissolving treatment or liposuction); (3) Severe asymmetry (may require surgical evaluation).

What is the standard dosage?

Because muscle strength varies considerably between individuals (typical dosing ranges from 20–50 units per side with Botox), your physician will assess both resting muscle thickness by palpation and dynamic bite force before determining the appropriate dose.Dysport Requires a 2.5–3:1 conversion ratio relative to Botox,Therefore, Dysport dosage is approximately 60–150 units per side.Cannot be applied universally"Standard protocol" —— Masseters that look similar on the surface can vary greatly in internal muscle strength.

When will I see results?

Visible results typically appear within 1–2 weeks as Botox takes effect, but"Face slimming results"Full results take 6–12 weeks to appear — because muscle atrophy is a gradual process, not an immediate effect of Botox. This is why you should not"Walk in, walk out"Evaluate your results. A follow-up at 6 weeks post-treatment is recommended to assess initial progress, with a 12-week visit to confirm peak effect.

How often do you need a touch-up? What happens long-term?

A single session typically lasts 4–6 months, howeverLong-term treatment outcomes will"Cumulative self-improvement":With regular treatments every 4–6 months during the first 1–2 years, the masseter gradually atrophies from sustained reduced activity. After year 3, maintenance frequency can typically be reduced to once or twice a year — a unique long-term advantage of Botox face slimming that sets it apart from dynamic wrinkle treatment.Timing for touch-upShould be performed when results have diminished by 50–60%.

Will it affect chewing? It may —"Rebound"?

Impact on chewing strength:Chewing strength may be mildly reduced for the first 1–2 weeks (avoid hard foods such as nuts and beef jerky), then returns to normal."Rebound":If treatments are discontinued, the masseter may partially regain volume as muscle activity resumes — however, it typically does not return fully to its pre-treatment size. After 2 or more years of consistent treatment, any rebound effect tends to be mild.

How much does masseter Botox cost in Toronto?
Pricing varies by the number of units required, which differs for each patient. At ID Cosmetic Clinic in Markham, Dr. Dan Xu assesses jaw muscle size at consultation and provides a personalized quote based on actual dosage needed. Costs typically reflect 40–60 units per side. We recommend budgeting for follow-up sessions, as maintenance appointments are part of a realistic treatment plan.
What exactly is injected, and how does it slim the jaw?
The injectable is botulinum toxin type A — a purified protein derived from Clostridium botulinum bacteria — authorized for sale by Health Canada for cosmetic use. It temporarily blocks the nerve signals that trigger masseter muscle contractions. With reduced workload, the muscle gradually decreases in bulk over several weeks, producing a softer, narrower lower face without altering the bone structure.
Does the jaw-slimming injection hurt?
Most patients describe the sensation as a brief pinch or mild pressure — similar to a standard injection. Dr. Dan Xu uses fine-gauge needles, and a topical numbing cream can be applied beforehand if requested. The procedure at ID Cosmetic Clinic typically takes under 15 minutes, and any minor soreness at the injection sites usually resolves within a few hours.
How long do the jaw-slimming results actually last?
Visible slimming typically lasts four to six months before the masseter gradually regains activity. Patients who maintain regular appointments often notice that results extend longer over time as the muscle progressively reduces in size with repeated treatment. Dr. Dan Xu at our Markham clinic will advise on an interval schedule suited to your muscle response and lifestyle.
Can masseter Botox be combined with other facial treatments?
Yes, it is commonly combined with other procedures. At ID Cosmetic Clinic, patients frequently pair jaw slimming with dermal fillers for chin projection or cheek contouring to achieve balanced facial proportions. Dr. Dan Xu evaluates overall facial structure before recommending combinations, ensuring treatments complement rather than conflict. Spacing between certain procedures may be advised depending on your individual treatment plan.

Real Clients · Google Reviews

What Our Clients Say

★ 4.9 · 283 Google reviews

Vivian Okoth

Vivian Okoth

0 reviews

Dr. Xu and the staff here are fantastic. I’ve been coming here for years and always leave satisfied! The clinic has a relaxed, comfortable, and welcoming atmosphere—I always look forward to my visits.

today on Google →
Mary Jane

Mary Jane

1 reviews

I am so grateful to the friend who recommended this place to me. Dr. Xu is amazing—she is the only doctor I’ll see from now on! Everyone on the staff is incredibly friendly and helpful.

5 days ago on Google →
Millicent Akisa

Millicent Akisa

1 reviews

She is truly outstanding! She is both friendly and professional, highly knowledgeable, and has a very warm and gentle manner. She listens carefully to your needs and takes the time to explain all the options to you.

a month ago on Google →
Chen cheng

Chen cheng

15 reviews

Vivian is extremely professional. Of all the times I've been here, her technique and service are the best. She finished my hyaluronic acid injection very quickly, with minimal pain. She's also beautiful and has a great p…

a month ago on Google →
Emmaculate Matswa

Emmaculate Matswa

1 reviews

I'm so glad I came here. Dr. Xu is incredibly knowledgeable, and every piece of advice she gave was meticulous and thoughtful. I really enjoyed talking to her about skincare. Everyone here is so warm and friendly .

2 months ago on Google →
Sally Yang

Sally Yang

2 reviews

Ling was absolutely amazing! She is so friendly, kind, and welcoming. She made the whole experience so enjoyable and comfortable. Truly appreciate her warm personality and excellent service. Highly recommend!

2 months ago on Google →
Zara F. Bell

Zara F. Bell

2 reviews

Absolutely amazing clinic. I was treated with the upmost care and respect. Felt like I've know them my whole life. The whole crew is amazing and so sweet! The service was impeccable by Dr. Dan Xu, she is literally the be…

3 months ago on Google →
Caroline Fan

Caroline Fan

8 reviews

I had a really pleasant visit at ID cosmetics today with Ling. I had my pico laser appointment today. Ling treated me with such kindness and care. She was really attentive prepping me for my treatment and checking in on…

3 months ago on Google →
Vivian Okoth

Vivian Okoth

0 reviews

Dr. Xu and the staff here are fantastic. I’ve been coming here for years and always leave satisfied! The clinic has a relaxed, comfortable, and welcoming atmosphere—I always look forward to my visits.

today on Google →
Mary Jane

Mary Jane

1 reviews

I am so grateful to the friend who recommended this place to me. Dr. Xu is amazing—she is the only doctor I’ll see from now on! Everyone on the staff is incredibly friendly and helpful.

5 days ago on Google →
Millicent Akisa

Millicent Akisa

1 reviews

She is truly outstanding! She is both friendly and professional, highly knowledgeable, and has a very warm and gentle manner. She listens carefully to your needs and takes the time to explain all the options to you.

a month ago on Google →
Chen cheng

Chen cheng

15 reviews

Vivian is extremely professional. Of all the times I've been here, her technique and service are the best. She finished my hyaluronic acid injection very quickly, with minimal pain. She's also beautiful and has a great p…

a month ago on Google →
Emmaculate Matswa

Emmaculate Matswa

1 reviews

I'm so glad I came here. Dr. Xu is incredibly knowledgeable, and every piece of advice she gave was meticulous and thoughtful. I really enjoyed talking to her about skincare. Everyone here is so warm and friendly .

2 months ago on Google →
Sally Yang

Sally Yang

2 reviews

Ling was absolutely amazing! She is so friendly, kind, and welcoming. She made the whole experience so enjoyable and comfortable. Truly appreciate her warm personality and excellent service. Highly recommend!

2 months ago on Google →
Zara F. Bell

Zara F. Bell

2 reviews

Absolutely amazing clinic. I was treated with the upmost care and respect. Felt like I've know them my whole life. The whole crew is amazing and so sweet! The service was impeccable by Dr. Dan Xu, she is literally the be…

3 months ago on Google →
Caroline Fan

Caroline Fan

8 reviews

I had a really pleasant visit at ID cosmetics today with Ling. I had my pico laser appointment today. Ling treated me with such kindness and care. She was really attentive prepping me for my treatment and checking in on…

3 months ago on Google →
Grace

Grace

Local Guide · 13 reviews

I got a treatment done by Ling today and she was super friendly and helpful. She made me feel very comfortable throughout the entire process from the beginning til the end and I’d like to get it done by her again next ti…

4 months ago on Google →
Yvonne H

Yvonne H

Local Guide · 54 reviews

Ling was so kind and super precise. I loved her recommendations—felt like she just knew what I needed! Thank you!

7 months ago on Google →
Dou Xu

Dou Xu

2 reviews

Ling is just amazing—so gentle and professional. She really knows her stuff! I felt super cared for. The whole experience? Honestly, so relaxing.

7 months ago on Google →
Yan Sun

Yan Sun

3 reviews

Dr. Dan Xu is seriously amazing—so skilled and patient! Felt super at ease the entire time. The results? Wow, just wow.

7 months ago on Google →
Olivia W

Olivia W

3 reviews

Entrusting my face to Dr. Xu and her team is reassuring, and everyone's service attitude is super nice. The clinic environment is clean and elegant, and Dr. Xu is enthusiastic and professional. I have always trusted her…

7 months ago on Google →
Hana Yu

Hana Yu

9 reviews

I have been here since 3 years ago, Dr.Xu is very professional and all the staff are very nice and patient. I highly recommend this place!

8 months ago on Google →
xiaojie chen

xiaojie chen

7 reviews

Susie has an incredibly caring attitude, and all of her suggestions were truly helpful. I really appreciated her support!

8 months ago on Google →
Jackie Tse

Jackie Tse

Local Guide · 18 reviews

Dr Xu is very friendly and professional. Appointment was made quickly and the consultants provided professional and helpful advice. After the procedure, the consultant provided advice on after care and treatment plans. H…

8 months ago on Google →
Grace

Grace

Local Guide · 13 reviews

I got a treatment done by Ling today and she was super friendly and helpful. She made me feel very comfortable throughout the entire process from the beginning til the end and I’d like to get it done by her again next ti…

4 months ago on Google →
Yvonne H

Yvonne H

Local Guide · 54 reviews

Ling was so kind and super precise. I loved her recommendations—felt like she just knew what I needed! Thank you!

7 months ago on Google →
Dou Xu

Dou Xu

2 reviews

Ling is just amazing—so gentle and professional. She really knows her stuff! I felt super cared for. The whole experience? Honestly, so relaxing.

7 months ago on Google →
Yan Sun

Yan Sun

3 reviews

Dr. Dan Xu is seriously amazing—so skilled and patient! Felt super at ease the entire time. The results? Wow, just wow.

7 months ago on Google →
Olivia W

Olivia W

3 reviews

Entrusting my face to Dr. Xu and her team is reassuring, and everyone's service attitude is super nice. The clinic environment is clean and elegant, and Dr. Xu is enthusiastic and professional. I have always trusted her…

7 months ago on Google →
Hana Yu

Hana Yu

9 reviews

I have been here since 3 years ago, Dr.Xu is very professional and all the staff are very nice and patient. I highly recommend this place!

8 months ago on Google →
xiaojie chen

xiaojie chen

7 reviews

Susie has an incredibly caring attitude, and all of her suggestions were truly helpful. I really appreciated her support!

8 months ago on Google →
Jackie Tse

Jackie Tse

Local Guide · 18 reviews

Dr Xu is very friendly and professional. Appointment was made quickly and the consultants provided professional and helpful advice. After the procedure, the consultant provided advice on after care and treatment plans. H…

8 months ago on Google →

View all 283 reviews →

BOOK YOUR CONSULTATION

Ready to begin your Masseter Botox (Face Slimming) journey?

Book a Free 30-Minute Consultation with Dr. Dan Xu (M.D., CCFP). She will create a personalized Masseter Botox / Jaw Slimming plan for you — no pressure, no hard sell.

📞 Phone
🕙 Hours
Mon–Sun · 10:00 AM – 6:00 PM
🌐 Service Area

BookID Cosmetic ClinicBotox® face slimming experience — professional, safe, and fully personalized facial contouring.

Clinic address:30 Gibson Dr, Units 113-117, Markham, ON L3R 2S3

Phone Booking:905-477-2225

✉ Quick Action
FREE 30-MIN CONSULTATION · DR. DAN XU

Free 30-Minute Consultation

Every consultation is conducted personally by Dr. Xu (Mon–Sat).

24 hr response · English/Chinese OK

Technology defines the possibilities. The physician defines the direction. Identify with your own beauty.