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Woman with sharper jawline courtesy of Masseter Botox

What is Masseter Botox ?

01-05-2025

If you are one of our many clients who regularly have anti-wrinkle treatments at our Kent aesthetics clinic, you may already be familiar with Masseter Botox. Often referred to as jawline Botox or masseter reduction, this popular non-surgical cosmetic treatment offers both aesthetic and therapeutic benefits. It’s important to note that ‘Botox’ is a brand name, and ‘Botox treatments’ are an umbrella term used commonly for discussing anti-wrinkle injections. This procedure involves the precise injection of Botulinum Toxin Type A into the masseter muscles, which are located at the angle of the jaw. In this blog, our award-winning aesthetics practitioner, Amish Patel, explains more about this treatment and answers FAQs.

Woman having Masseter Botox

“What is the Masseter Muscle and Why is Botox Used?”

The masseter muscle is a prominent facial muscle that plays a crucial role in chewing mechanics. It connects the lower jaw, or mandible, to the cheekbone, forming part of the muscular structure that facilitates jaw movement and strength. As one of the strongest muscles in the body, the masseter’s primary function is to elevate the mandible, enabling actions such as biting and grinding.

However, the masseter muscle can sometimes become enlarged due to habits like teeth grinding (bruxism) or jaw clenching. This enlargement can create a broader or more squared jawline.

Botox treatments, or Botulinum Toxin injections, are a widely used muscle relaxant for treatment such as fine lines and wrinkles but can be strategically injected to address issues related to the masseter muscle. What does Botox actually do? It works by temporarily paralysing the muscle fibres with measured amounts of botulinum toxin, thereby reducing muscle activity.

Woman examining her jawline in the mirror

“What Are the Top Benefits of Botox for Masseter? Slimming, Pain Relief, and More”

By relaxing the hypertrophied masseter muscle, Masseter Botox can help contour the jawline, reducing its width and creating a more proportioned facial appearance. This non-surgical jaw slimming technique is popular among individuals seeking a more refined facial shape without undergoing invasive procedures. Your treatment can also have a secondary effect of reducing grinding and clenching.

“How Does Botox Work for Masseter? The Procedure Breakdown”

Initial Consultation

Your treatment journey begins with a comprehensive consultation with a qualified medical practitioner. During your consultation, the practitioner will assess your facial symmetry and jawline, considering any existing jaw muscle asymmetries. This step is crucial for determining if you are a suitable candidate for Masseter Botox and if jawline fillers also benefit your specific needs, alongside setting realistic expectations for the outcomes.

Preparation

Before the procedure, the aesthetics practitioner will discuss any necessary preparations, such as avoiding certain medications or supplements that could affect the treatment. It’s also the perfect opportunity to ask questions or discuss any concerns about Masseter Botox.

The Injection Process

  1. Marking: The practitioner will typically begin by marking the areas on your jaw where the injections will be administered. This ensures precision in effectively targeting the masseter muscles.
  2. Dosing: Generally, about 50 units of botulinum toxin product are used, split evenly between both sides of the jaw. However, the exact dosage can vary based on individual factors such as the size of your jaw, the severity of muscle activity, and the specific Botox brand used.
  3. Injection: The practitioner injects Botox into the masseter muscles using a fine needle. The injection technique may vary for Masseter Botox, but the procedure is quick, typically lasting 10 to 15 minutes.

 

Woman pleased with her jawline results after Masseter Botox

“Does Botox for Masseter Hurt? Pain Expectations and Aftercare”

Pain thresholds vary from client to client, and the level of jaw tension, but most clients describe it simply as a little uncomfortable, but tolerable. We also apply numbing cream to the area to be treated to help with the discomfort.

Following your treatment, your aesthetics practitioner will discuss your post-procedure care. Clients can return to their daily activities immediately, though it’s advised to avoid strenuous exercise, facials, and steam rooms following your treatment. You’ll be given tailored advice and free to ask any further questions.

“What Can You Expect After Botox Masseter Treatment?”

You may experience some swelling and bruising, which is typical for most injectable treatments, but recovery time is relatively quick, and these should subside in a few days.

“Is Botox for Masseter Safe? What You Should Know Before Treatment”

Masseter Botox is safe when a medical professional undertakes the treatment. It is an effective treatment for sliming the jawline, but as with any medical procedure, there can be potential side effects. These can include;

  1. Temporary Side Effects: These may include mild swelling, redness, or bruising at the injection site. Some people may also experience minor headaches or slight discomfort in the treated area. These effects are typically short-lived and resolve on their own within a few days post-treatment.
  2. Rare Complications: Though uncommon, some patients might experience asymmetry in facial expressions. A lopsided smile or difficulty chewing can result if too much Botox Masseter is injected, or the injection technique is incorrect. This further underscores the importance of selecting a skilled and experienced medical professional.
  3. Allergic Reactions: While very rare, allergic reactions can occur. Symptoms might include itching, rash, or difficulty breathing. This highlights the importance of your initial consultation, where you will be thoroughly assessed for the procedure.
  4. Choose a Medical Professional: To ensure the highest standard of care and safety, it’s vital to choose a practitioner working out of a clean and hygienic clinical environment who is qualified and experienced in administering botulinum toxin injections, particularly in the Masseter area. They will also have the experience and knowledge to deal effectively and quickly with any complications that could occur with Masseter Botox.

 

“How Long Does Botox for Masseter Last?”

Initial effects of the treatment can be noticed within a few days. Full results become apparent in up to two weeks. These results usually last between three to four months. Factors such as age, genetics and lifestyle all play a role in determining longevity. However, regular follow-up sessions may be scheduled to maintain the desired outcomes.

“Is Botox for Masseter Effective for TMJ and Teeth Grinding?”

If you are looking for Masseter Botox specifically for TMJ and teeth grinding, you must visit a dentist to treat your overactive Masseter muscles and facial pain. An aesthetics practitioner is an expert in facial aesthetics and cosmetic procedures and is not qualified to investigate and improve teeth grinding, jaw pain, and jaw tension.

“Can Botox for Masseter Improve Your Jawline? Sculpting and Contouring Effects”

Absolutely. Anti-wrinkle injections into the masseter muscles have become popular for many seeking non-surgical solutions. Traditionally known for its ability to relieve medical conditions such as bruxism and TMJ disorders, Botox has transcended its therapeutic origins to become a favoured option for facial contouring. This treatment supports facial aesthetics treatments by sculpting the jawline.

Targeting the Masseter Muscle

The masseter muscles are powerful muscles located at the back of the jaw that play a pivotal role in chewing but can also contribute to a broader, square-shaped jaw when overdeveloped. By strategically injecting toxins into these muscles, their activity is temporarily reduced, leading to muscle relaxation. Over time, this reduction in muscle activity can decrease the muscle’s size and prominence, reducing a square jawline and thereby contributing to a more refined and slimmer jawline.

Sculpting a V-shaped jawline

For individuals desiring a sculpted and V-shaped jawline, Botox offers an attractive alternative to surgical procedures. The treatment provides a softer appearance, enhancing facial symmetry and balance. The jawline appears more delicate and refined as the masseter muscles shrink and the face takes on a more oval or heart-shaped contour. This transformation can especially appeal to those who perceive their natural jawline as too square or masculine.

What Are The Benefits Of Masseter Botox?”

Quick and Non-Invasive

One of the most appealing aspects of using Botox for jawline contouring is its noninvasive nature. The procedure is relatively quick, with minimal downtime, making it ideal for those with busy lifestyles. Unlike surgical interventions, Botox injections come with fewer risks and require no significant recovery period. Clients can usually return to their daily activities shortly after the treatment, enjoying the gradual onset of results over the following weeks.

Long-Lasting, Yet Temporary

While the effects of botulinum toxin injections are not permanent, they offer a long-lasting solution for jawline contouring. This temporary nature allows individuals to reassess their aesthetic goals periodically. They can decide whether to continue the treatment or explore other options, such as face fillers. The possibility of re-treatment ensures that candidates can maintain their desired look or make adjustments based on evolving preferences.

In conclusion, anti-wrinkle injections for the masseter muscles present a compelling option for those seeking to enhance their jawline through non-surgical means. It is a versatile solution for sculpting a refined jawline.

Interested In Finding Out If This Treatment Is For You? Book Your Appointment With Amish HERE

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