How Long Does It Take To See Results From Jaw Botox Injections?

There’s a growing interest in Botox injections for the jawline to improve facial shape and contour the jaw profile. The procedure isn’t anything new and it works just the same as getting the neurotoxin injectable for minimizing facial wrinkles and fine lines. In addition to its cosmetic benefits, jaw Botox is also being used for relieving symptoms of TMJ disorder, daily headaches, jaw clenching, and teeth grinding. 

So when can you expect to see the results of jaw Botox treatments? For jawline reduction and facial slimming, Botox patients may need to wait up to 4 weeks to see the full effects of the injections. On the other hand, if you received Botox for TMJ, you may notice mild improvements in symptoms in about 1 to 2 days after the procedure and complete relief after 2 weeks. 

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How Long Do You Need To Wait To See Results from Jaw Botox Injections?  

Botox, or botulinum toxin, is a type of cosmetic injection derived from the bacterium clostridium botulinum. It belongs to a drug class of neuromodulators and it has potent effects for restricting the release of chemical signals to minimize abnormal muscle contractions. 

When administered to the jawline, Botox injections quickly bind themselves to a certain point between the muscle and nerves and inhibit the movement of the facial muscles. However, you won’t be able to see any significant difference until after several weeks when the botulinum toxin has completely blocked the nerve endings from activating muscle contractions.

The timeline for seeing the results from masseter Botox can vary depending on the purpose of the injections. Here’s an overview of how long you typically need to wait to see its full effects: 

  • For jawline slimming and contouring - Patients can expect to see gradual improvements with Botox injections for jaw reduction. The neurotoxin usually takes effect within a week after the injections and full slimming results can be visible after two to four weeks. Additionally, you may need additional treatments every four to six months to maintain the decrease in the size of the jaw muscles.
  • For temporomandibular joint disorder and bruxism - Individuals who get Botox injections for teeth grinding and TMJ disorders can expect to feel immediate minor improvements within the first three days from the procedure. However, the maximum effects of the Botox treatments can be felt after two to three weeks. 

Why Botox Treatments Take Time To Work

Botox injections are no doubt an excellent treatment choice for noninvasive jawline enhancement. But compared to dermal filler injections, its effects aren’t immediate and you’ll need to be patient if you want to enjoy the optimal results from the treatment. 

The main reason why masseter Botox has a much later onset of effects than jaw fillers is that it requires time to weaken the target facial muscles and stop the contractions. The botulinum toxin injections work by binding to the nerve endings which send signals that tell the masseter muscle to contract. 

Although it can attach quickly at the time of injection, it can take a few days up to weeks for the nerve endings to completely absorb the neurotoxin and stop the action of the muscles. Once the masseter muscles are relaxed and unable to contract, it significantly reduces the size and squareness of the jaw, giving it a smaller and slender appearance for a more attractive face shape. 

Masseter injection also temporarily relieves the tension in the jaw muscles to lessen the involuntary clenching or grinding of the teeth. They also provide therapeutic relief from the common symptoms of TMJ like frequent headaches, jaw pain, and difficulty in chewing or moving the mouth. 

What Factors Can Affect the Results Of Jaw Botox Injections? 

beautiful woman confident with her jawline after receiving botox treatment for jaw, good job

Jaw Botox is an effective cosmetic treatment but there are several factors that can influence the quality of the results of the injections and how long it will last. Generally, masseter Botox can last anywhere from 3 to 6 months but this can vary depending on the following aspects: 

  • Number of Botox units received - The larger the facial muscle is, the more units you need to ensure the efficiency of the Botox treatment. Since the masseter muscles are thicker and bigger than other muscles in the face, it requires around 20 to 25 dosage units of Botox per side. Any fewer than the average units may affect the efficiency of the treatment and you may not see your desired results.
  • Frequency of injections - Patients generally require frequent injections or repeat treatments to maintain the effects of Botox for jaw slimming. Botox can also be a long-term solution for TMJ disorders but regular checkups and consultation is required to ensure the safety of the treatment.
  • Level of experience of the injector - Another important factor that can affect the results of jaw Botox treatments is the expertise and injection skill of your provider. If Botox isn’t injected properly to the masseter muscle, it may not produce the intended results and there’s a slight risk for adverse reactions. 

What Happens After Botox Is Injected To The Jawline  

Getting a masseter Botox is an outpatient procedure and it usually takes about 10 to 15 minutes. Most patients can also return to their normal activities with very minimal downtime. To have a clearer picture of what to expect from jaw Botox treatments, here’s a timeline of what happens and how to take care after the injections: 

One to three days from the procedureMild swelling, bruising, and jaw tenderness are common at the treated area. During this period, you are advised to avoid touching or rubbing your face so that the treatment won’t migrate to other areas. You should also remain upright and don’t lie down for at least 4 hours. Avoid doing strenuous exercise and don’t take NSAIDs such as aspirin medication since they can prolong bruising. 
Days 4 to 6 after procedure Your masseter muscles will begin to relax and you’ll start noticing initial improvements in your jawline shape and contour. Likewise, you will experience reduced pain and discomfort from TMJ and bruxism around this period.  
Day 7 and onwards Compared to getting Botox for minimizing the appearance of wrinkles, the full effects of the injections for jaw slimming can only be visible after 2 to 4 weeks from the treatment. During this time, you should monitor the changes in your facial shape and if you feel you need more injections to achieve your goals, you may schedule a follow-up treatment after 4 to 6 months. 

Quality Botox Injections for Facial Rejuvenation at Aesthetica  

botox treatment for jawline for beautiful woman performed by professional cosmetic doctor

Botox treatments are gaining popularity as a noninvasive procedure for jawline rejuvenation. The effects of the injections can be seen within several weeks and can last for up to 6 months. You may set up periodic follow-up Botox treatments to continue reducing the size of your masseter and prolong the results of your injections. 

Aesthetica is a trusted med spa destination for quality and effective Botox injections. We have a team of highly-trained injectors and cosmetic practitioners who can work with you closely and provide you with a personalized treatment plan for your desired aesthetic goals. Call us today to schedule a Botox consultation with one of our specialists.

Discover Your Beauty
Potential with Aesthetica

Aesthetica can assist you with all your beauty needs, helping you achieve your maximum beauty and aesthetic potential. Call or contact us today to learn more about our cosmetic services.


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