How Long Does Masseter Botox Last?

masseter botox

Masseter Botox for round face a.k.a jaw Botox has gained massive popularity lately, by offering a safe and non-surgical solution to Botox jaw slimming. This innovative treatment has piqued the interest of those who’re seeking a subtle transformation without going through a surgery.

If you are considering Botox jaw slimming, you’re most likely curious about the masseter Botox timeline and its effectiveness. In this comprehensive guide by Syra Aesthetic, you will find all the details regarding jaw Botox, its benefits, how it’s done, and most importantly, determining how long does Masseter Botox last.

Define Jaw Botox

Botox in masseter, also known as jawline or jaw Botox, is a non-invasive cosmetic procedure that involves injecting botulinum toxin into the masseter muscles. These jaw muscles, being responsible for chewing and clenching, can become overdeveloped, leading to a square or bulky jawline. Masseter Botox for round face works by relaxing these muscles, resulting in a more slender and V-shaped facial appearance.

What Does Botox in Masseter Do?

Botox in masseter serves a dual purpose – cosmetic as well as therapeutic. Cosmetically, it slims down the jawline, giving the face a more balanced and attractive look. Therapeutically, it can alleviate issues such as jaw clenching, teeth grinding (bruxism), and headaches associated with these conditions.

How is Botox in Masseter Done?

The procedure for Masseter Botox for round face is relatively straightforward. A skilled aesthetician will use a fine needle to inject Botox directly into the masseter muscles. The process is minimally painful, and most patients do not even require anesthesia. The entire treatment typically takes less than 30 minutes, and you can return to your daily activities immediately afterward.

How Many Masseter Botox Units Are Required?

The required number of Masseter Botox units varies from person to person, depending on factors like the size of masseter and the desired outcome.

On an average, most individuals will need between 25 to 40 Masseter Botox units on each side. Your aesthetician will assess your specific needs during a consultation.

To read mote: How Many Units of Botox are Required?

How Long Does Masseter Botox Last?

The duration of the effects of jaw Botox can vary for each individual, but generally it lasts for a duration of 3 to 4 months. This means you will need periodic touch-ups to maintain your desired jawline shape for a longer period of time. Factors that influence how long does Masseter Botox lasts includes your metabolism, lifestyle, and the dosage being administered.

Masseter Botox Before and After

How To Make Jaw Botox Last Longer?

If you’ve opted for Botox in masseter to sculpt your jawline, you’re likely eager to enjoy the Masseter Botox results for as long as possible. While Botox in masseter is a temporary solution, there are several strategies you can employ to extend its longevity and ensure your jawline remains beautifully contoured.

Here’s a guide on how to make jaw Botox last longer:

1. Choose an Experienced Aesthetician:

The foundation of long-lasting Masseter Botox results begins with selecting a skilled and experienced aesthetician to administer the injection. An expert knows the ideal dosage and injection technique to ensure optimal Masseter Botox results, which can contribute to the treatment’s longevity.

2. Follow Post-Treatment Instructions:

Your aesthetician will provide you with specific post-treatment instructions. Adhering to these guidelines is crucial for a successful outcome. This typically includes avoiding strenuous exercises, refraining from massaging the treated area, and staying upright for a few hours after the procedure.

3. Stay Hydrated:

Proper hydration is essential for maintaining healthy muscles and skin. Drinking an adequate amount of water can help prolong the effects of jaw Botox by ensuring your skin remains plump and muscles stay in good condition.

4. Maintain a Balanced Diet:

A well-balanced diet that is rich in vitamins and nutrients can aid in preserving the Masseter Botox results. Foods high in antioxidants, such as fruits and vegetables, can help protect your skin from free radicals and support collagen production.

5. Avoid Excessive Alcohol and Smoking:

Excessive alcohol consumption and smoking can have a detrimental effect on your skin’s health and overall appearance. Cutting back or quitting these habits can contribute to the longevity of your Masseter Botox results.

6. Manage Stress:

Stress can lead to muscle tension, which can counteract the effects of Botox in masseter. Engage in stress-reducing activities such as yoga, meditation, or deep breathing exercises to maintain a relaxed jaw line.

7. Schedule Regular Touch-Ups:

Masseter Botox results typically last around 3 to 4 months. To keep your jawline looking its best, schedule regular touch-up appointments with your aesthetician. These sessions can help maintain your desired jawline shape over the long term.

8. Combine with Other Treatments:

Some individuals choose to combine Masseter Botox for round face with other non-surgical treatments like dermal fillers or skin tightening procedures. Discussing these options with your aesthetician can help you achieve more comprehensive and enduring Masseter Botox results.

Side Effects of Botox Jaw Slimming

Botox jaw slimming or jaw Botox is generally considered a very safe and minimally invasive procedure – however, just like any cosmetic procedure, it can also have potential side effects.

It is very important to be informed about these potential outcomes to make an informed decision when considering face slimming Botox.

Bruising: One of the most common side effects of face slimming Botox is mild bruising at the injection site. This is usually temporary and can be concealed with makeup if desired. Bruising typically resolves within a few days to a week.

Swelling: Some individuals may experience mild swelling at the injection sites. Like bruising, this swelling is generally temporary and should diminish within a few days.

Tenderness: It’s normal to feel tenderness or mild discomfort at the injection sites for a short period after the procedure. This discomfort is usually manageable and can be alleviated with over-the-counter pain relievers if needed.

Headache: Although uncommon, some individuals may experience a mild headache after going through face slimming Botox. This usually subsides within a day or two and can be managed with pain relievers if necessary.

Asymmetry: In rare cases, there may be a slight asymmetry in the Masseter Botox results, with one side of the jaw appearing more relaxed than the other. This can typically be adjusted with a touch-up appointment.

Allergic Reactions: Allergic reactions to Botox are extremely rare. However, if you notice signs of an allergic reaction such as severe itching, rash, or difficulty breathing, seek immediate medical attention.

Unintended Muscle Weakness: In some cases, Masseter Botox for round face can affect nearby muscles unintentionally, leading to issues such as difficulty chewing or smiling. These effects are usually temporary and can be corrected by your skilled aesthetician.

Botox Jaw Slimming in NYC

For the best jaw Botox treatment in New York City, look no further than Syra Aesthetics. Our experienced team of aesthetic professionals specialize in non-surgical facial enhancements, including Masseter Botox for round face.

At Syra Aesthetics we combine artistry and expertise to help you achieve the jawline of your dreams in a safe and welcoming environment. Scheduling a consultation with our experts allows you to learn everything you need to know, in order to make an informed decision, while our aestheticians can offer tailored solutions to your needs.


In the quest for facial harmony and a slimmer jawline, Botox in masseter emerged as a safe, effective, and non-invasive option. While Masseter Botox results may not be permanent, they can be truly transformative.

Remember, the longevity of your Masseter Botox results depends on various factors, so it’s essential to consult with our skilled aestheticians. For top-notch face slimming Botox treatment in NYC, Syra Aesthetics is your trusted partner in achieving your aesthetic goals.


Q1: Who is a good candidate for jaw Botox?

Ideal candidates for Botox jaw slimming are individuals with strong, overdeveloped jaw muscles, leading to a square or wide jawline. It can also benefit those with teeth grinding or jaw clenching issues.

Q2: Which is the best provider for Masseter Botox near me?

If you’re searching for “Masseter Botox near me” in New York City, Syra Aesthetics should undoubtedly be your first choice. Leading the market with a team of experts, personalized care, client-centric approach, proven Masseter Botox results, and convenient location – there is none better than Syra Aesthetics.

Q3: Is face slimming Botox painful?

The procedure is generally well-tolerated, with minimal discomfort. A topical anesthetic or ice may be applied to numb the area before the injections.

– Disclaimer –

This blog is for informational & educational purposes only, and does not intend to substitute any professional medical advice or consultation.
For any symptoms or medical advice, please consult with your physician,

Or Book an appointment with our board-certified aestheticians at Syra Aesthetics.

  • About The Author

    Dr. Syra Hanif M.D.

    Board Certified Primary Care Physician

Dr. Hanif is the Director of Aesthetic Medicine. She is a board-certified physician in Aesthetic Medicine who specializes in using non-surgical alternatives in order to enhance one's appearance through Botox and fillers.

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