Masseter Botox: Reduce the Appearance of a Square Jawline

Masseter Botox is a non-surgical cosmetic treatment that helps to reduce the size of the masseter muscle. This muscle is located in the jaw and is responsible for clenching and grinding the teeth. By reducing the size of this muscle, botox can help to reduce the appearance of a square jaw and give a more oval-shaped face. But how long will the effects of this treatment last? This article will provide an overview of how long masseter botox injections typically last, and how to ensure the best possible results from your treatment.

Exploring the Benefits of Masseter Botox for Reducing Jaw Tension

The masseter muscle is a major muscle of the jaw located in the cheek region. It is used for chewing and is responsible for controlling the lateral movement of the lower jaw. Recently, there has been growing interest in using masseter Botox injections to reduce jaw tension and improve overall facial aesthetics.

Botox is a neurotoxin derived from the bacterium Clostridium botulinum, which is commonly used to treat wrinkles and other signs of aging. Botox blocks nerve signals, causing temporary muscle paralysis. When injected into the masseter muscle, it can reduce muscle activity and lead to a decrease in jaw tension. This can in turn lead to a softer jawline, less teeth grinding, and improved facial symmetry.

Aside from its aesthetic benefits, masseter Botox can also bring about functional improvements. People who suffer from the temporomandibular joint disorder (TMJ) or bruxism (teeth grinding) may experience a reduction in pain and discomfort after receiving the treatment. In addition, it can be used to help people who have difficulty chewing or speaking due to jaw tension.

Masseter Botox is considered a safe and effective treatment for jaw tension, with minimal side effects. The most common side effects are swelling, bruising, and tenderness at the injection site. These effects typically resolve within a few days. Rarely, there can be drooping of the lower eyelid or other facial muscles, which usually resolves within a few weeks.

Overall, masseter Botox can be a highly effective treatment for reducing jaw tension and improving facial aesthetics. It can also provide functional benefits for those suffering from TMJ or bruxism. As with any treatment, it is important to speak with a qualified healthcare professional to discuss the possible risks and benefits.

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What to Expect When Receiving Masseter Botox

When receiving masseter Botox, it is important to understand what to expect during the procedure. Masseter Botox is a non-surgical procedure that uses small injections of botulinum toxin type A to reduce the size of the masseter muscles in the jaw. This can help to reduce square or boxy jawlines, as well as reduce the appearance of TMJ.

Before the procedure, your doctor will discuss your goals and expectations. They will then take measurements of your jawline and take photographs for your medical record. You may be asked to clench your teeth or make various facial expressions in order to evaluate your muscles.

During the procedure, your doctor will use a very fine needle to inject the botulinum toxin into the masseter muscles. You may feel slight discomfort from the needle, but this should be minimal. Your doctor may use a cold compress to reduce any discomfort.

The effects of masseter Botox may take several days to become noticeable. You may feel some tenderness and swelling in the injection sites for a few days after the procedure. You may also experience some temporary numbness in the area.

It is important to follow your doctor’s instructions for aftercare after receiving masseter Botox. This may include avoiding certain activities such as exercise, alcohol, and sun exposure for a few days after the procedure. You should also avoid massaging or manipulating the injection sites.

If you experience any excessive pain, swelling, or other unusual symptoms after receiving masseter Botox, contact your doctor right away. With the right care and follow-up, masseter Botox can help to reduce or eliminate the appearance of a square or boxy jawline.

How Long Does Masseter Botox Last?

Masseter Botox injections typically last for up to four months. After the injection, it can take up to two weeks for the effects to be noticeable. During this period, the masseter muscle begins to relax and the patient will experience a reduction in the size of the muscle. The effects of the Botox treatment may last for up to four months, depending on the individual’s metabolism and the amount of Botox used. It is recommended that a follow-up appointment be scheduled with the doctor after a few months to assess the efficacy of the treatment and to determine if additional injections are necessary.

The Pros and Cons of Using Masseter Botox for TMJ Treatment

The use of masseter Botox injections for the treatment of temporomandibular joint (TMJ) disorder has been gaining popularity in recent years. This procedure is a minimally invasive technique that involves injecting a small amount of Botox into the masseter muscle. Botox works by temporarily weakening the muscle, allowing for the relief of tension and pain associated with TMJ. While the results of masseter Botox treatment may be promising, it is important to understand the pros and cons of this procedure before making a decision.

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• Minimally invasive: Masseter Botox injections are a minimally invasive procedure that does not require any cutting or tissue removal.

• Quick results: Masseter Botox injections typically provide noticeable results within a few days to a week.

• Pain relief: Masseter Botox injections can provide relief from the pain associated with TMJ.

• Lasting effects: Results of the procedure typically last between 3-6 months.


• Potential side effects: Common side effects of masseter Botox injections include facial weakness, tenderness, and bruising.

• Cost: Masseter Botox injections can be costly and may not be covered by insurance.

• Risk of infection: As with any injection, there is a risk of infection at the injection site.

• Not a permanent solution: Masseter Botox injections are not a permanent solution for TMJ, and the effects will eventually wear off.

Overall, masseter Botox injections may be a viable option for those looking for relief from TMJ symptoms. However, it is important to consider the potential risks and side effects before making a decision. Discussing the pros and cons of the procedure with a qualified healthcare professional can help to ensure that the best treatment plan is chosen for your individual needs.

Understanding the Cost of Masseter Botox Treatments for Jaw Relaxation

Masseter Botox treatments are a popular cosmetic procedure used to relax the jaw muscles, resulting in a more aesthetically pleasing facial shape. This procedure is minimally invasive and can be completed in a relatively short amount of time. However, it is important to understand the cost of a Masseter Botox treatment before making a decision to undergo this procedure.

On average, a Masseter Botox treatment costs between $300 and $600 per session. The exact cost of your treatment may vary depending on the size of the area to be treated and the amount of Botox used. Additionally, certain geographic regions may have higher or lower rates for this procedure.

Some medical spas and cosmetic clinics offer discounts when multiple treatments are purchased in advance. If you are planning to undergo several Masseter Botox treatments, this could be a cost-effective option. Additionally, many spas and clinics offer payment plans and financing options to help make the procedure more affordable.

It is important to note that the results of a Masseter Botox treatment are not permanent. The effects typically last about four months, and after that, the jaw muscles will gradually return to their original state. To maintain the results, additional treatments will be necessary.

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Overall, the cost of a Masseter Botox treatment depends on the size of the treatment area and the amount of Botox used. Many clinics and spas offer discounts and financing options to make this procedure more affordable. Additionally, the results are not permanent and additional treatments will be needed to maintain the desired effect.


How long does a Masseter Botox treatment typically last?

The effects of a Masseter Botox treatment typically last between 3-4 months.

Does Masseter Botox work for everyone?

No, Masseter Botox may not work for everyone. It is important to consult with your doctor to determine if you are a good candidate.

Are there any side effects of Masseter Botox?

The most common side effects of Masseter Botox are temporary pain and bruising at the injection site.

Is Masseter Botox safe?

Yes, Masseter Botox is a safe and effective treatment for reducing the appearance of a square jaw.

Can the effects of Masseter Botox be reversed?

Yes, the effects of Masseter Botox can be reversed with a simple injection of an enzyme called hyaluronidase.


In conclusion, the effects of Masseter Botox typically last for about three to six months, depending on the individual. As the effects wear off, the individual can discuss with their doctor whether or not to receive a second injection. It is important to note that if the individual receives too many injections, then the effects may last longer than expected. Therefore, it is important to carefully consider the benefits and risks associated with Masseter Botox before deciding to receive treatment.


  • Timothy P. Carnes

    Timothy P. Carnes is a certified personal trainer with a Bachelor's degree in Exercise Science from the University of Florida. With over 8 years of experience in the fitness industry, Timothy is an expert in strength and conditioning, body composition, and overall health and wellness. He also holds certifications in strength and conditioning through the National Strength and Conditioning Association (NSCA) and corrective exercise through the National Academy of Sports Medicine (NASM). As an author at FitGAG, he shares his knowledge and expertise on a variety of topics, including strength training, body composition, and overall health and wellness tips. Timothy believes that consistency and discipline are the keys to achieving fitness goals, and he strives to inspire his readers to prioritize their fitness and wellness journey. Through his articles, Timothy aims to empower his readers to take control of their health, enhance their performance, and live their best lives.

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