 
A wide or square-looking lower face is not always caused by bone. In many people, strong masseter muscles add width around the jaw. That is why Jeuveau for jawline slimming appeals to people who want a softer, more defined lower face without surgery.
Jeuveau (prabotulinumtoxinA-xvfs) temporarily reduces muscle activity by blocking the nerve signal acetylcholine. It is FDA approved for frown lines between the eyebrows, so masseter treatment for facial slimming is off-label and should be assessed by a qualified injector.
Key Takeaways
- ✓Strong masseters can make the jaw look wide or square.
- ✓Jeuveau relaxes the muscle; it does not shrink the jawbone.
- ✓Slimming builds gradually over several weeks.
- ✓Filler adds definition, so some faces suit a combined plan.
PURE JEUVEAU
Refine Your Jawline Without Surgery
Jeuveau is $8.99 per unit at PURE Medical Spa.
What Is Jeuveau Masseter Treatment?
The masseter is a strong chewing muscle at the angle of the jaw. Some people naturally have larger masseters, while others build them through clenching or heavy chewing. A Jeuveau masseter treatment places injections into selected areas of the muscle to gradually reduce excess activity, so the lower face may look less wide.
Research shows botulinum toxin type A can reduce masseter size in many patients. A recent review found reduced masseter fullness and thickness compared with placebo, while noting more studies are needed on the ideal technique. Read how Botox softens a square jaw for more background.
Botox $9.99 per unit holiday offer at PURE Med Spa ChicagoSmooth, natural results from experienced injectors
- Botox $9.99 per unit
- Dysport $3.49 per unit
- Quick visits at all five PURE clinics
T&C apply.
How Do Jeuveau Masseter Injections Refine the Jawline?
Your injector first examines your lower face at rest and while you clench. This maps the borders of the masseter. There is no machine or device cycle, just a short injection visit. Placement matters because injections should stay within the intended muscle.
What the Visit Includes
- ✓Assessment of lower-face width and facial symmetry
- ✓Examination while you clench to find the masseter borders
- ✓A talk about your aesthetic goals
- ✓Personalized injection planning and a safety review
What Are the Benefits of Jeuveau Jawline Contouring?
Slimmer Look
A softer, more tapered lower face as masseter bulk eases.
No Surgery
A quick visit with no incisions and little downtime.
Balanced Profile
A more harmonious face shape over time.
Studies on toxin for large masseters show improvements in lower-face width and jaw shape, though many used other toxin brands, so results may not transfer exactly to Jeuveau. Learn how long masseter treatment lasts.
Who May Consider Jeuveau for Masseter Muscles?
Jeuveau may suit you when strong jaw muscles make your lower face look wider. Jaw width can also come from bone shape, facial fat or loose skin, so an assessment is essential. If your main concern is a lack of definition rather than width, filler may suit you more.
Jeuveau Lower Face Contouring Is Not the Same as Filler
| Concern | Jeuveau | Filler |
|---|---|---|
| Wide jaw from strong muscle | Often helpful | Not the main tool |
| Weak or recessed chin | Not helpful | Adds projection |
| Soft jawline definition | Limited | Adds structure |
| Several concerns | Part of a plan | Part of a plan |
See whether jawline fillers can reshape the jaw and our dermal fillers page.
What Happens During a Masseter Treatment With Jeuveau?
Treatment begins with your jaw relaxed and clenched so your injector can find where the muscle is most prominent. Strategically placed injections are given in one visit. The amount is individualized, and Jeuveau units cannot be converted to units of other toxins, as our Botox vs Dysport vs Jeuveau guide explains.
What Shapes Your Jawline Slimming Quote
- ✓Muscle size and symmetry
- ✓The amount of product recommended
- ✓Whether other areas, such as the chin, are treated too
- ✓Current offers
How Long Before You See a Slimmer Jaw?
Masseter slimming is gradual. The muscle relaxes over the first couple of weeks, and visible slimming builds over the following weeks as the muscle becomes less bulky. Many patients also notice less clenching. Your injector will suggest a review and a maintenance schedule based on your response.
Jeuveau Jawline Treatment at PURE Medical Spa
At PURE Medical Spa, your plan begins with a facial assessment to see whether muscle, structure or another factor is shaping your lower face. Jeuveau is $8.99 per unit, and your injector will explain the unit count for your plan. Book online or call or text 312.312.7873.
Visit PURE Medical Spa Across Chicagoland
PURE Medical Spa welcomes you at five convenient clinics in Chicago and the suburbs. Every PURE clinic offers Jeuveau and masseter consultations, so you can pick the location and visit time that fit your schedule.
PURE Medical Spa Gold Coast (N. Dearborn), Chicago
875 N Dearborn St, Suite 300, Chicago, IL 60610
Book OnlineCall or Text 312.312.7873Naperville 331.283.0440
Want Results That Last Longer? Meet Daxxify
Daxxify is a peptide-based wrinkle relaxer that can start working as early as day 1 and often lasts 4 to 6 months, compared with about 3 to 4 months for many other wrinkle relaxers. Ask your injector if it suits you.
Ready for Jeuveau Near You?
PURE Medical Spa offers natural-looking Jeuveau at five Chicago-area clinics. Choose the one closest to you for hours, directions and your local team.
Frequently Asked Questions
How does Jeuveau slim the jawline?
Jeuveau temporarily reduces activity in selected masseter fibers. Over time, the muscle looks less prominent and the lower face looks softer.
Is Jeuveau masseter treatment suitable for everyone?
No. It suits people whose jaw width comes mainly from muscle bulk. Bone structure, fat, skin laxity and chin projection are also assessed.
How long does Jeuveau masseter treatment last?
There is no FDA-established duration for this off-label use. Studies on other type A toxins show temporary effects that vary with dose and response.
What do Jeuveau masseter before and after results look like?
Expect gradual refinement rather than an overnight change, with less masseter bulk and a narrower-looking lower face in suitable candidates.
Jeuveau vs Botox for masseter jaw slimming: which is better?
Both are type A toxins, but their units are not interchangeable. Your injector will recommend a product based on your assessment.
BOOK YOUR VISIT
Sculpt a Softer Jawline
Book a Jeuveau consultation at PURE Medical Spa.
Safety note: Jeuveau should not be used with an infection at the injection site or a known allergy to botulinum toxin products. Tell your provider about neuromuscular disorders, swallowing or breathing problems, medicines and previous toxin treatments. Jeuveau carries a boxed warning about possible spread of toxin effect; seek urgent care if difficulty swallowing, speaking or breathing develops. Masseter use is off-label, so conservative planning matters.
References
- DailyMed (U.S. National Library of Medicine): Jeuveau prescribing information
- PubMed (U.S. National Library of Medicine): Botulinum toxin for masseter hypertrophy and lower face contouring
